An electric bulb is connected to a $220\, V$ generator. The current is $0.50 A$. What is the power of the bulb ?
An electric bulb is connected to a $220\, V$ generator. The current is $0.50 A$. What is the power of the bulb ?
Given $V =220 V , I =0.50 A$
We know that $P= VI$
$=220 \times 0.50=110 W$
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