A coil of inductance 0.2 H and 1.0 ohm r...

A coil of inductance 0.2 H and 1.0 ohm resistance is connected to a 90 V source. At what rate will the current in the coil grow at the instant the coil is connected to the source?

A

`450 As^(-1)`

B

`4.5As^(-1)`

C

`45As^(-1)`

D

`0.45As^(-1)`

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The correct Answer is:

A

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