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A light bulb is rated 100W for a 220V su...

A light bulb is rated 100W for a 220V supply. The resistance of the bulb and the peak voltage of the source respectively are

A

`242Omega`

B

`484Omega`

C

`384 Omega`

D

`100 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A light bulb is rated at 100 W for a 220 V ac supply . The resistance of the bulb is

    A
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    B
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    C
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    D
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    D
    `780 Omega`

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