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 resistanc

Question

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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Thạch Thảo 1 month 2021-08-15T21:24:04+00:00 1 Answers 0 views 0

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    2021-08-15T21:25:46+00:00

    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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