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21 July, 22:54

The current in a lamp is 0.5 ampere when it is plugged into a standard wall outlet. What is the resistance of the lamp when it is plugged into a standard wall outlet?

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  1. 21 July, 23:03
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    The resistance of the lamp plugged in to a standard wall outlet with a current of 0.5 amps is 240 Ω (ohms)

    Explanation:

    In the United States Of America the standard voltage is 120 v and their frequency is 60 Hz

    Standard wall outlet voltage is 120 V

    The current in the lamp is 0.5 ampere

    Resistance (R) = V / I

    = 120/0.5

    = 240Ω (ohms)

    Thus the resistance of the lamp plugged in to a standard wall outlet with a current of 0.5 amps is 240 Ω (ohms).
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