ELECTRIC CIRCUITS QUIZ

In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network?

0A

10A

5A

1A

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Mica capacitor are characterised by all of following except

low losses.

stable operation.

low leakage reactance.

accurate value.

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Whenever current is supplied by a source its terminal voltage

increases.

decreases.

increases exponentially.

remains constant.

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Active element of electrical circuit is

current source.

none of above.

both of them.

voltage source.

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Find the total power absorbed by the resistor in the given circuit.

12 W.

24 W.

30 W.

6 W.

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Which of following capacitors preferred for high frequency circuits?

Glass capacitor.

Mica capacitor.

Electrolytic capacitor.

Air capacitor.

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According to duality principle a series inductor (L) can be represented as

Series C.

Series L.

Parallel L.

Parallel C.

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Which of the following may be value of resistivity of copper?

1.7 X 10 - 5.

1.7 X 10 - 3.

1.7 X 10 - 6.

1.7 X 10 - 4.

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In a delta network each element has value R. The value of each element in equivalent star network will be

R / 3.

R / 4.

R / 6.

R / 2.

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Time constant is the time taken for response to rise -------of maximum value?

63.2%

90%

100%

68.3%

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