chalkerjalis2756 chalkerjalis2756

21-03-2020
Physics

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A 60-watt light bulb has a voltage of 120 volts applied across it and a current of 0.5 amperes flows through the bulb. What is the resistance of the light bulb?

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iyohalucky7 iyohalucky7

21-03-2020

Answer: 240ohms

Explanation: P=IV

P=60watts

I=0.5A

V=120volts

From ohms law

V=IR

R=V/I

R=120/0.5

R= 240ohms

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