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In a series L-R circuit, connected with ...

In a series L-R circuit, connected with a sinusoidal ac source, the maximum potential difference across L and R are respectivaly 3 volts and 4 volts.
At an instant the potemtial difference across resistor is 2 volts. The potential difference in volt, across the inductor at the same instant will be:

A

`3 cos 30^(@)`

B

`3 cos 60^(@)`

C

`6 cos 45^(@)`

D

6

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The correct Answer is:
A
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