Physics, asked by ramlal9722, 11 months ago

An electric bulb is rated at 220 V, 100 W. What is its resistance?

Answers

Answered by jadoo0
28

Given ,

V=220v

P=100w

now we know that

P=V^2/R

100=220^2/R

R=220×220/100

R=484ohm

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