Physics, asked by gouda9503, 9 months ago

An electric bulb is rated at 220V-200W. What is the resistanceof the filamant?

Answers

Answered by vribester

3

Answer:

Explanation:V-220 Volt

P=200 Watt

P=VI

or

P=V^2/R

200=220^2/R

R=220^2/200

R=48400/200

R=242 ohm

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