ELECTRIC CIRCUITS QUIZ

A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

1.5 μF.

1.5 F.

15 μF.

0.015 F.

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YOUR ANSWER : ?

What is represented by the hypotenuse of impedance triangle?

Resistance drop.

Impedance drop.

Apparent power.

Reactance drop.

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For Norton’s equivalent circuit

Isc = Voc / Req.

Isc = Voc Req.

Voc = Req /Isc.

Voc = Isc / Req.

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Which of the following characteristics is/are attributed to an ideal independent voltage source?

Independent of magnitude of current supplied..

Independent of the direction of flow of current.

Independent of the magnitude of voltage supplied.

both ‘b’ and ‘d’.

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In which of the circuits power factor can be zero?

capacitive.

both ‘a’ and ‘b’

resistive.

inductive.

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The alternative names for active power is/are

average power.

real power.

true power.

All of these

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Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is

pulsating with zero average.

constant.

zero.

pulsating with non zero average.

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The internal resistance of lead acid cell is _______________ that of Edison cell.

none of above.

less than.

more than.

equal to.

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For the circuit shown in the given figure the current I is given by

2 A.

1 A.

3 A.

4 A.

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The electrical resistance of human body is around

250 ohms.

1000 ohms.

25 ohms.

5 ohms.

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