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A light bulb is rated at 100 W for a 220...

A light bulb is rated at 100 W for a 220 V supply. Find
(a) the resistance of the bulb.
(b) the peak voltage of the source
(c ) the rms current through the bulb.

Text Solution

Verified by Experts

The peak voltage of the source is `upsilon_(m)=sqrt(2)V = 311 V`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ALTERNATING CURRENT -TEXTUAL EXAMPLES
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  3. A light bulb is rated at 100W for a 220 V supply. Find The rms curr...

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