Question

an electric bulb is connected to a source of 200V and current through circuit is 0.5 ampere what will resistance and power of bulb
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Answer 1

Answer:

V=200 V

I=0.5 A

By ohm's law :

V=IR

R=V/I=200/0.5=400 ohms

power=VI=200*0.5=100 Watts.

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