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(A) : Inductive reactance of an iductor ...

(A) : Inductive reactance of an iductor in DC circuit is zero.
(R): Angular frequency of DC circuit is zero.

A

Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.

B

Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'

C

'A' is true and 'R' is false

D

Both 'A' and 'R' are false

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - IB
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  2. (A) : Current versus time graph is as shown in figure, rms value of cu...

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  4. (A) : In L-C-R series AC circuit X(L) = X(C) = R at a given frequeny. ...

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  5. (A) : Inductive reactance of an iductor in DC circuit is zero. (R): ...

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  10. (A) : The ammeter and voltmeters used for measuring alternating curren...

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  14. (A) : In series LCR circuit, the resonance occurs at one frequency onl...

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  15. (A) : The quantity L//R possesses dimension of time. (R) : To reduce...

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  16. (A) : We use a thick wire in the secondary of a step down transformer ...

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  17. (A): Faraday's laws are consequences of conservation of energy. (R) ...

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  19. (A): The alternating current lags behind the e.m.f. by a phase angle o...

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