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Question

Question: In a circuit containing an inductance of zero resistance, the e.m.f. of the applied ac voltage leads...

In a circuit containing an inductance of zero resistance, the e.m.f. of the applied ac voltage leads the current by

A

90o

B

45o

C

30o

D

0o

Answer

90o

Explanation

Solution

In a pure inductor (zero resistance), voltage leads the current by 90oi.e.π/2.90^{o}i.e.\pi/2.