Mancomunidad 3

1. Which element has a valency of 0 and does not normally form compounds?. Hydrogen has a valency of 0 and does not normally form compounds. Helium has a valency of 0 and does not normally form compounds. Lithium has a valency of 0 and does not normally form compounds.

What is the relative permeability of a material that behaves as a paramagnet?. The relative permeability of a material that behaves as a paramagnet is exactly 1 (unity). The relative permeability of a material that behaves as a paramagnet is greater than 1. The relative permeability of a material that behaves as a paramagnet is less than 1.

How are diamagnetic materials affected by a magnetic field?. Diamagnetic materials are repelled by a magnetic field. Diamagnetic materials are not affected by a magnetic field. Diamagnetic materials are attracted by a magnetic field.

Through which of the following materials will magnetic lines of force pass the most easily?. Magnetic lines of force pass most easily through Aluminium. Magnetic lines of force pass most easily through Iron. Magnetic lines of force pass most easily through Copper.

What is meant by the term 'Retentivity'?. Retentivity is a measure of the quantity of flux for a number of current-turns in a magnetic circuit. Retentivity is the amount of reverse magnetic field which must be applied to a magnetic material to make the magnetic flux return to zero. Retentivity is a measure of how well the substance will maintain the magnetism, and become a permanent magnet.

To what is the saturation current in a conductor related?. Saturation is related to the length of the conductor that the current passes through developing a magnetic flux. Saturation is related to the type of the core that the conductor surrounds it and the length of the conductor. Saturation is related to the quantity of material in the core that the conductor surrounds it.

When a conductor is cut by magnetic lines of force, an EMF is induced. Which law states this?. Lenz's Law states that when a conductor is cut by magnetic lines of force, an EMF is induced. Maxwell's Law states that when a conductor is cut by magnetic lines of force, an EMF is induced. Faraday's Law states that when a conductor is cut by magnetic lines of force, an EMF is induced.

How is the polarity of the back electromotive force space-oriented, when a voltage is induced in a conductor?. The polarity of the back electromotive force is in the same direction as the applied voltage of the conductor. The polarity of the back electromotive force is in the opposite direction to the applied voltage of the conductor. The polarity of the back electromotive force is orthogonal to the direction of the applied voltage of the conductor.

What is the inductance of a coil directly proportional?. The inductance of a coil directly proportional to the average length of a magnetic path. The inductance of a coil directly proportional to the square of the number of coil windings. The inductance of a coil directly proportional to the current that flows through the coil.

10.How does a commutator on a DC motor work?. A commutator on a DC motor works by changing the polarity of the voltage supplied to the armature every half a rotation. A commutator on a DC motor works by changing the polarity of the voltage supplied to the armature every rotation. A commutator on a DC motor works by preserving the polarity of the voltage supplied to the armature.

Which of the following must be known in order to calculate the EMF of a DC generator?. Armature rotation speed and the number of armature coil windings must be known in order to calculate the EMF of a DC generator. Excitation magnetic flux and armature rotational speed must be known in order to calculate the EMF of a DC generator. Number of armature coil windings and excitation magnetic flux must be known in order to calculate the EMF of a DC generator.

12.Why do some high output generators have interpoles and compensating windings?. Interpoles and compensating windings decrease electrical arcing at the brushes. Interpoles and compensating windings maintain the generator at a constant speed. Interpoles and compensating windings increase the voltage output of the generator.

13.What is the name given to the maximum value of an AC voltage, in either the positive or negative direction?. RMS value is the maximum value of an AC voltage. Peak value is the maximum value of an AC voltage. Effective value is the maximum value of an AC voltage.

14.What is the relative value of the line voltage from a generator with a delta type connection?. The line voltage from a generator with a delta type connection is higher than the phase voltage. The line voltage from a generator with a delta type connection is lower than the phase voltage. The line voltage from a generator with a delta type connection is the same as the phase voltage.

Which AC system can withstand higher loads for the same wire size?. The Series load system can withstand higher loads for the same wire size. The Parallel load system can withstand higher loads for the same wire size. The Split phase system can withstand higher loads for the same wire size.

How is the AC power coefficient defined?. The AC power coefficient is the sine of the phase shift angle between current and voltage. The AC power coefficient is the cosine of the phase shift angle between current and voltage. The AC power coefficient is the tangent of the phase shift angle angle between current and voltage.

A circuit contains a capacitor C=1/n=0.3183 pF while the frequency is f=100 MHz. What is the impedance of this circuit?. Impedance 31.83 ΚΩ. Impedance 5 ΚΩ. Impedarize 1ΚΩ.

Which statement is true regarding the units of XL and XC and Z?. XL and XC are measured in , Z is measured in impedance. XL is measured in Henrys, XC is measured in Farads, Z is measured in Ω. XL, XC and Z are all measured in Ω.

A 1:10 step-up transformer has a voltage of 20 V in the primary coil and a current of 5 A, while the current in the secondary coil is 0.475 A. What is the efficiency of the transformer?. Efficiency of transformer 88%. Efficiency of transformer 98%. Efficiency of transformer 95%.

Which of the following three-phase transformer configurations provides a 30° phase shift of the output voltage, relative to the input voltage?. A ‘∆-∆’ configuration provides a 30o phase shift of the output voltage, relative to the input voltage. A ‘Y-Y’ configuration provides a 30o phase shift of the output voltage, relative to the input voltage. A ‘Y-∆’ configuration provides a 30o phase shift of the output voltage, relative to the put voltage.

21.If a circuit diagram shows a transformer symbol with a single dot adjacent to the primary and secondary windings, what do the dots indicate?. The dots indicate the electrical connection positions for the secondary and primary. The dots indicate the points on the transformer that have the same instantaneous polarity. The dots indicate the that the transformer windings both have ferrite cores.

22.At resonant frequency,. Parallel LC circuits give minimum impedance. Series LC circuits give maximum impedance at resonance. Series LC circuits give minimum impedance.

In a 'Y' wound generator, what is the voltage in any of its line voltage?. Each line voltage is 1.73 times one of the phase voltages. Each line voltage is 2 times one of the phase voltages. Each line voltage is equal to phase voltage.

An AC generator of 500 V supplies a current of 2 A to the mains circuit, with a power factor of 0.9. What is the active power consumption in the mains circuit?. Active power consumption 900 W. Active power consumption 500 VA. Active power consumption 450 VAR.

25.The main AC generator characteristic is power. In what units is it measured?. AC generator power is measured in units of kVAR. AC generator power is measured in units of kW. AC generator power is measured in units of kVA.

26.What is the electrical displacement of the coils of a two-phase AC motor, relative to each other?. The electrical displacement of the coils of a two-phase AC motor is 60o. The electrical displacement of the coils of a two-phase AC motor is 120o. The electrical displacement of the coils of a two phase AC motor is 90o.

Which statement is true regarding the electrical displacement of the phases in supply to a 2 phase motor?. The phases in supply to a 2 phase motor are electrically 180 degrees apart from each other. The phases in supply to a 2 phase motor are electrically 90 degrees apart from each other. The phases in supply to a 2 phase motor are electrically 120 degrees apart from each other.

What is the electrical characteristic of a vacuum?. A medium where electrical charges cannot exist. A medium that will block the flow of electrical charges. A medium that allows electricity to flow uninhibited and unretarded.

According to Coulomb's Law, how do charged bodies attract or repel each other?. With a force that is directly proportional to the product of their individual charges, and is inversely proportional to the square of the distance between them. With a force that is indirectly proportional to the product of their individual charges, and is directly proportional to the square of the distance between them. With a force that is directly proportional to the product of their individual charges, and is directly proportional to the square of the distance between them.

What type of medium has the best electrical conduction?. A solid has the best electrical conduction. A vacuum has the best electrical conduction. A liquid has the best electrical conduction.

Which statement is true regarding electric current?. Electrical current is directly proportional to voltage and inversely proportional to resistance. Electrical current is inversely proportional to voltage and directly proportional to resistance. Electrical current is directly proportional to voltage and directly proportional to resistance.

32.What unit is defined as a quantity of 1 Coulomb that flows in an electrical circuit for 1 second?. 1 Amp' is defined as 1 Coulomb that flows in an electrical circuit for 1 second. 1 Volt' is defined as 1 Coulomb that flows in an electrical circuit for 1 second. 1 Ohm' is defined as 1 Coulomb that flows in an electrical circuit for 1 second.

What is the name of the process of producing voltage in a conductor, by moving it through a magnetic field?. Thermoelectricity is the process of producing voltage in a conductor, by moving it through a magnetic field. Magnetism is the process of producing voltage in a conductor, by moving it through a magnetic field. Photoelectricity is the process of producing voltage in a conductor, by moving it through a magnetic field.

34.Which statement is true regarding the Primary Cell?. A primary cell is an example of electricity generated by chemical means. A primary cell is an example of electricity generated by magnetism. A primary cell is an example of electricity generated by heat.

35.What is the value of the S.G. (Specific Gravity) in a lead acid cell, when charged, and when discharged?. The S.G. in a lead acid cell is approximately the same in both a charged and discharged state. The S.G. in a lead acid cell is approximately 1.15 charged and 2.60 discharged. The S.G. in a lead acid cell is approximately 2.60 charged and 1.15 discharged.

36.What is main advantage of NiCAD batteries?. Discharge rate does not affect capacity. Internal resistance is very high. Internal resistance is very low.

What characteristic of a battery determines its ampere-hour capacity?. Only the quantity of the plates determines the ampere-hour capacity of a battery. The area of the plates has no affect. The quantity of plates and the area of the plates determines the ampere-hour capacity of a battery. Only the area of the plates only determines the ampere-hour capacity of a battery. The quantity of the plates has no affect.

Four branches (A, B, C, D) are connected to a node in a circuit. The current in the branch A is equal to 2. A and is directed into the node. The current in the branch B is equal to 1 A and is directed into the node. The current in the branch Cis equal to 4 A and is directed away from the node. What value and direction has the current in the branch D?. Direction into the node and equal to 4 A. Direction away from the node and equal to 1 A. Directory wea the node and equal to 1 A.

Three 9V batteries are connected in series. What value is the total resistance of the load, if the load current is 150 mA?. Total resistance of the load = 180 Ω. Total resistance of the load = 300 Ω. Total resistance of the load = 30 Ω.

If the cross sectional area of a resistor is doubled and the length is halved, what happens to the resistance?. It remains the same, if the cross sectional area of a resistor is doubled and the length is halved. It doubles (2x), if the cross sectional area of a resistor is doubled and the length is halved. It quadruples (4x), if the cross sectional area of a resistor is doubled and the length is halved.

If the cross-sectional area of a resistor is doubled and the length is halved, what happens to the resistance?. It remains the same, if the cross-sectional area of a resistor is doubled and the length is halved. It doubles (2x), if the cross-sectional area of a resistor is doubled and the length is halved. It quadruples (4x), if the cross-sectional area of a resistor is doubled and the length is halved.

42.When does the current flow through the galvanometer, in a Wheatstone bridge?. The current flows through the galvanometer when all of the resistors' values are equal, and the bridge becomes balanced. The current flows through the galvanometer when one of the resistors' values change, and the bridge becomes unbalanced. The current flows through the galvanometer when at least two of the resistors' values is equal, and the bridge becomes a balanced divider.

How does the resistivity of most metallic materials vary?. The resistivity of most metallic materials increases with an increase in temperature. The resistivity of most metallic materials decreases with an increase in temperature. The resistivity of most metallic materials is not affected by increase in temperature.

Which of the flowing acronyms represents a 'varistor'?. 'VDR' is a varistor. 'LDR is a varistor. 'LED' is a varistor.

How does the carbon/resin resistor compare with a wire wound resistor?. The carbon/resin resistor is more accurate than a wire wound, but has a lower power rating. The carbon/resin resistor is less accurate than a wire wound, but a higher power rating. The carbon/resin resistor is less accurate than a wire wound, and a lower power rating.

In what form do normal resistors generally dissipate power?. Normal resistors dissipate power in the form of light energy. Normal resistors dissipate power in the form of heat energy. Normal resistors dissipate power in the form of magnetic energy.

47.A regenerative battery of 20 V is charged from a mobile source for 10 hours (1 hour 3,600 seconds) by a current of 100 mA. What is the stored energy in the battery?. Stored energy = 72 kJ. Stored energy = 25.2 kJ. Stored energy = 42 kJ.

How can compounds be broken down?. Compounds can be broken down electrically. Compounds can be broken down chemically. Compounds can be broken down mechanically.

Which of these is the smallest of the three sub-atomic particles?. The proton is the smallest of the three sub-atomic particles. The electron is the smallest of the three sub-atomic particles. The neutron is the smallest of the three sub-atomic particles.

The permeability of a material is measured relative to the permeability of free space (vacuum). What is the permeability of free space?. Permeability of free space = 1 H/m. Permeability of free space = 0 H/m. Permeability of free space = 4π × 10−7 H/m.

51.How does heat affect magnetic strength?. Heating a magnet can reduce or destroy its magnetic strength. Heating a magnet can increase its magnetic strength. Heating a magnet will have no affect on its magnetic strength.

What is the name of the opposition that a material offers to magnetic lines of force?. Resistance is the opposition that a material offers to magnetic lines of force. Reluctance is the opposition that a material offers to magnetic lines of force. Reactance is the opposition that a material offers to magnetic lines of force.

The relationship between the absolute permeability μ, and the relative permeability μr and the vacuum permeability μ0, is defined by which formula?. μ = μr/μ0. μ = μ0 · μr. μ = μ0/μr.

54.Two inductive coils are placed in close proximity with each other at 90 degrees. What is the level of flux linkages?. The flux linkages are zero, when two inductive coils are at 90 degrees to each other. The flux linkages are maximum positive, when two inductive coils are at 90 degrees to each other. The flux linkages are maximum negative, when two inductive coils are at 90 degrees to each other.

55.What is the reason for using a shielded inductor?. A shielded inductor prevents the flux from interfering with sensitive components that may be nearby. A shielded inductor prevents the flux from leaking, thus making the inductor less effective. A shielded inductor prevents RF interference with the inductor by any other antenna magnetic fields.

56.While starting a DC motor, what happens to the current consumed?. During starting, the current consumed by a DC motor increases as the rotation speed increases. During starting, the current consumed by a DC motor decreases as the rotation speed increases. During starting, the current consumed by a DC motor remains constant within the working range of speed.

57.What is the primary purpose of using laminated cores in the armature of a DC generator?. To strengthen the magnetic field in the generator. To increase the resistance of the armature winding. To reduce eddy current losses.

58.If the RMS value of a sine wave is 7.06 V, what is the peak-to-peak value?. The peak-to-peak value is approximately 25 V. The peak-to-peak value is approximately 10 V. The peak-to-peak value is approximately 20 V.

59.Which three-phase configuration system can have an optional 4th or 'neutral' wire?. Only the Wye configuration system can have an optional 4th or 'neutral' wire. Only the Delta configuration system can have an optional 4th or 'neutral' wire. Wye or Delta configuration system can have an optional 4th or 'neutral' wire.

60.Which formula can be used to calculate the current flowing at resonance in a series tuned circuit?. Current flowing at resonance in a series tuned circuit I = V / (XL − XC). Current flowing at resonance in a series tuned circuit I = Z / V. Current flowing at resonance in a series tuned circuit I = V / R.

61.An ideal coil, with a reactance of 100 Ω, is connected to an AC source of 200 V. What is the value of the full power consumed by the coil?. Power consumed = 400 VA. Power consumed = 200 VA. Power consumed = 0 VA.

62.How many windings does the primary coil of an ideal transformer have, if it has a reactance of 1 kΩ, and the secondary coil has a reactance of 100 Ω and 1,500 windings?. The primary coil has 15,000 windings. The primary coil has 150 windings. The primary coil has 150,000 windings.

63.If a transformer has only one winding, it is what type?. A Power transformer has only one winding. An Autotransformer has only one winding. An Impedance matching transformer has only one winding.

64.A 4-pole (2 pairs of poles) synchronous generator generates a voltage with a frequency of 400 Hz. What is the generator speed, for the given parameters?. Generator speed = 6,000 RPM. Generator speed = 3,000 RPM. Generator speed = 12,000 RPM.

65.What is the synchronous speed of an 8-pole AC motor that is supplied with 115 V at 400 Hz?. Synchronous speed = 6,000 RPM. Synchronous speed = 3,000 RPM. Synchronous speed = 3,200 RPM.

66.What will be the value of the slip of an asynchronous motor (2-phase, 4-pole, 2 pairs of poles for each phase), if the frequency of the supply voltage is 50 Hz, and the output rotation speed is 1440 revs/min?. Slip = 4%. Slip = 6%. Slip = 8%.

67.How can plasma be formed from a gas?. Plasma can be formed by high temperature, or by application of a high electric field to a gas. Plasma can be formed by high temperature, or by application of a high electric or alternating magnetic field to a gas. Plasma can be formed by high temperature, or by application of an alternating electro-magnetic field to a gas.

An earthed metal rod comes into close proximity to a negatively charged object. What will happen to the earthed metal rod? (2-9). The earthed metal rod becomes electrically positively charged. The earthed metal rod becomes electrically negatively charged. The electrical charge of the earthed metal rod is not affected.

69.Which statement is true regarding the definition of the 'Volt'?. The volt can be considered to be a unit of electrical potential. The volt can be considered to be a quantity of electrical energy. The volt can be considered to be a unit of electrical power.

70.What are the 3 conditions required in order to produce electricity using magnetism?. Magnetic field, static field and conductor, are the 3 conditions required in order to produce electricity using magnetism. Magnetic field, conductor and relative motion, are the 3 conditions required in order to produce electricity using magnetism. Magnetic field, semi-conductor and static field, are the 3 conditions required in order to produce electricity using magnetism.

71.The production of electricity using pressure is commonly known by what name?. The 'Ferroelectric effect', is the production of electricity using pressure. The 'Electropressure effect', is the production of electricity using pressure. The 'Piezoelectric effect', is the production of electricity using pressure.

72.Why do some types of photoelectric cells operate?. Some types of photoelectric cells operate because of the effect of a light source on gases such as neon. Some types of photoelectric cells operate because of the effect of a light source on the resistance of certain semiconductor materials. Some types of photoelectric cells operate because of the effect of a light source on metals such as tungsten.

73.Two batteries, each 10 V and 20 ampere-hours, are in parallel. They supply a 10 Ohm load. For what duration will they give their nominal capacity?. Duration of nominal capacity = 4 hours. Duration of nominal capacity = 20 hours. Duration of nominal capacity = 40 hours.

74.What is the correct relation between the voltage (V), current (I), and resistance (R)?. V=I×RV = I \times RV=I×R. V=I2RV = I^2 RV=I2R. V=R/IV = R / IV=R/I.

75.A circuit has 3 resistors in parallel. Each resistor is 9 ohms. A voltage of 3 V is applied across the network. What is the value of the total current flowing in the circuit?. Total current = 333.3 mA. Total current = 111.1 mA. Total current = 1 A.

76.What is the difference between resistivity and resistance?. Resistivity is a property of the material and depends only on the material. Resistivity depends only on the dimensions of the conductor. There is no difference.

77.For what can potentiometers be used?. Potentiometers can be used as a variable voltage source. Potentiometers can be used as a variable resistance. Potentiometers can be used as a variable current source.

78.As temperature increases, what happens to the resistance of most electrical conductors?. The resistance of most electrical conductors remains the same as temperature increases. The resistance of most electrical conductors increases as temperature increases. The resistance of most electrical conductors decreases as temperature increases.

79.In a circuit, as voltage increases, what happens to the power expended in the circuit? (Assume the temperature is constant). The power in the circuit remains the same as voltage increases. The power in the circuit increases the same as voltage increases. The power in the circuit decreases the same as voltage increases.

80.An aeroplane oil heater is comprised of 2 thermo elements connected in parallel, each with an applied voltage of 28 V and current of 10 A. What is the total power of the oil heater system?. Total power = 140 W. Total power = 560 W. Total power = 280 W.

81.When does the amount of power change in a circuit, in practice?. The amount of power changes in a circuit when either the voltage or the resistance changes. The amount of power changes in a circuit when either the voltage or the current changes. The amount of power changes in a circuit when only the voltage changes.

82.Which factors are influencing capacitor working voltage?. The working voltage is proportional to electrode surface area. The working voltage depends on the type of material used as the dielectric and on the thickness of the dielectric. The working voltage is related to capacitor's housing insulation material.

83.Which of the following statements is correct with respect to 2 capacitors in series and in parallel?. In series, total capacitance is (C1 × C2)/(C1 + C2). In parallel, total capacitance is C1 + C2. In series, total capacitance is (C1 + C2)/(C1 × C2). In parallel, total capacitance is C1 + C2. In series, total capacitance is C1 + C2. In parallel, total capacitance is (C1 × C2)/(C1 + C2).

84.What factors can affect capacitance of a capacitor?. Area of the plates, distance between the plates, insulating material between the plates, can affect capacitance of a capacitor. Length of the plates, distance between the plates, insulating material between the plates, can affect capacitance of a capacitor. Area of the plates, distance between the plates, voltage applied to the plates, can affect capacitance of a capacitor.

85. Which of the following statements accurately describes an element? (1-20). Elements consist of atoms of different kinds. Elements consist of only one kind of atom. Elements have properties that are different from its component atoms.

86.A circult consists of a coll, battery and switch. When the switch is initially closed, what happens? (3-11-20). The back EMF Is a maximum, when the switch is initially closed. The current rises instantly to its maximum value, when the switch is initially closed. The rate of change of magnetic flux is zero, when the switch is initially closed.

87.What does Faradays Law state? (3-11-10). Faradays Law states The magnitude of the EMF is indirectly proportional to the rate of change of fluor. Faradays Law states 'The magnitude of the EMF is directly proportional to the rate of change of flux'. Faradays Law states The magnitude of the EMF is directly proportional to the magnetic flux.

88.if in a three-phase star ("Y") connected system, the phase voltage is 100 V AC, what is the measured line voltage? (3-13-66). Measured voltage 173.2 V AC across the line to neutral. Measured voltage 57.74 V AC across the line to neutral. Measured voltage 173.2 V AC across any two phases.

89.What is the peak value of an aircraft's 115 V single phase AC supply? (3-13-24). Peak value-81.3V. Peak value = 162.6 V. Peak value 115 V.

90.A transformer has an output power of 600 Watts and an input power of 700 Watts. What is the transformer efficiency? (3-15-33). Efficiency of transformer 86%. Efficiency of transformer 99%. Efficiency of transformer-1.1%.

91.Which statement is true regarding the function of a band pass filter? (3-16-12). A band pass filter will stop a signal whose frequency is between two different specific values. A band pass filter will stop a signal whose frequency is above a specific high value or below another specific low value. A band pass filrer will stop a signal whose frequency is below a specific band of values.

What are the two methods used for increasing the output voltage of an AC generator? (3-14-27). To Increase the output voltage of an AC generator, increase the speed of rotation and decrease the number of turns in the loop. To increase the output voltage of an AC generator, decrease the speed of rotation and decrease the strength of the field. To increase the output voltage of an AC generator, increase the number of turns in the loop and increase the strength of the field.

What is the equivalent voltage value of 3.25 V, in millivolts? (3-5). 3.25 V 3,250 millivolts. 3.25 V 3,250,000 millivolts. 3.25 V-0.00325 millivolts.

Aircraft smoke detectors often use what type of DC source of electricity? (3-5-66). Photocells are used in aircraft smoke detectors. Thermocouples are used in aircraft smoke detectors. Piezoelectric cells are used in aircraft smoke detectors.

Of what material is the anode of a normal dry cell made? (3-5-6). The anode of a normal dry cell is made of Carbon. The anode of a normal dry cell is made of Zinc. The anode of a normal dry cell is made of Copper.

95.There is a voltage drop of 7.5 V across a 150 resistor. A current of what value flows through the resistor? (3-6-6). Current-0.25 A. Current 2.0A. Current 0.05 A.

What kind of temperature coefficient does a good conductor have?. High positive temperature coefficient. Low positive temperature coefficient. Negative temperature coefficient.

What type of electronic circuit is a 'trimmer'?. A potentiometer is a 'trimmer. A fixed carbon resistor is a 'trimmer'. A transducer is a 'trimmer.

In a DC circult that uses a battery as the electrical source, when is the power transferred from the source to the load at a maximum? (3-8-24). The power transferred from the source to the load is at a maximum when the resistance of the load is equal to the internal resistance of the source. The power transferred from the source to the load is at a maximum when the resistance of the load is greater than the internal resistance of the source. cThe power transferred from the source to the load is at a maximum when the resistance of the load is less than the internal resistance of the source.

What would happen to an electrolytic capacitor if its positive plate is accidentally connected to the negative terminal of the source? (3-9-56). The capacitor becomes a resistor if its positive plate is accidentally connected to the negative terminal of the source. The capacitor becomes a diode if its positive plate is accidentally connected to the negative terminal of the source. The capacitor becomes a conductor if its positive plate is accidentally connected to the negative terminal of the source.

What is the unit of capacitance? (3-9-12). The Volt is the unit of capacitance. The Coulomb is the unit of capacitance. The Farad is the unit of capacitance.