Economy, asked by alvinakhan1605, 7 months ago

an electric bulb is rated as 50 watt _ 220 volt . what is its resistance ?

Answers

Answered by hiphop0074

2

Explanation:

They have given V=220V, P=50W
We have to substitute that in this formula R=Vsquare/P
then we get 220*220/50
If we simplyfi it means we 968resisteance
there R=968ohm

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