AC FUNDAMENTALS, CIRCUIT AND CIRCUIT THEORY QUIZ

In the case of an unsymmetrical alternating current the average value must always be taken over

The whole cycle

The half cycle

The quarter cycle

Unsymmetrical part of the wave form

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The double energy transient occur in the

Purely inductive circuit

R-L circuit

R-C circuit

R-L-C circuit

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Capacitors for power factor correction are rated in

kW

kVAR

kVA

kV

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In a circuit containing R, L and C, power loss can take place in

Resistance only

Inductance only

Capacitance only

All of the listed here

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The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that

Both waves must have identical peak values

Both waves must have zero value at the same time

None of the listed here

Both waves must have same frequency

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Capacitive susceptance is a measure of

A purely capacitive circuit's ability to pass current

A purely capacitive circuit's ability to resist the flow of current

The extent of neutralization of reactive power in a circuit

Reactive power in a circuit

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The frequency of domestic power supply in India is

250 Hz

50 Hz

200 Hz

150 Hz

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The phosphors for which of the following pair are 180Â° out of phase for VL, VC and VR?

VC and VL

None of these

VL and VR

VC and VR

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All the rules and laws of D.C. circuit also apply to A.C. circuit containing

Capacitance only

Inductance only

Resistance only

All above

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Which of the following coil will have large resonant frequency?

A coil with low resistance

A coil with large resistance

A coil with large distributed capacitance

A coil with low distributed capacitance

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