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In an a.c. circuit containing an inducto...

In an a.c. circuit containing an inductor of zero resistance, the emf of the applied A.C. voltage leads the current by ………

A

`90^@`

B

`45^@`

C

`30^@`

D

`0^@`

Text Solution

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The correct Answer is:
A
In an A.C. circuit containing only an inductor emf is ahead by `90^@` phase then the current.
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