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18 August, 06:25

A 12v battery supplies a current 0f 0.4A to a lamp. Caculate resistance of the lamp

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  1. 18 August, 06:34
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    The resistance of the lamp will be 30 ohm

    Explanation:

    V=IR

    R=V/I

    R=12/0.4

    R=30ohm
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