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A bulb is rated at 100V, 100W. It can be...

A bulb is rated at `100V`, `100W`. It can be treated as a resistor. Find out the inductance of an inductor (called choke coil) that should be connected in series with the bulb at its rated power with the help of an ac source of `200V` and `50Hz`.

A

`(pi)/(sqrt(3))H`

B

100 H

C

`(sqrt(2))/(pi)H`

D

`(sqrt(3))/(pi)H`

Text Solution

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The correct Answer is:
D
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