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A bulb is designed to operate at 12 volt...

A bulb is designed to operate at `12` volts constant direct current.If this bulb is connected to an alternating current source and gives same brightness.What would be the peak voltage of the source?

Text Solution

Verified by Experts

The correct Answer is:
`12sqrt2"volts"`
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Knowledge Check

  • An electric bulb operates 10 V d.c. If this bulb is connected to an a.c. source and gives normal brightness, then peak value of the source is …….

    A
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    B
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    D
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  • A bulb and a capacitor are connected in series to a source of alternating current. If its frequency is increased, while keeping the voltage of the source constant, then

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    D
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