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23 October, 15:56

The current through a device is 0.30 A, and the resistance in the device is 20 many 1.5 V batteries are required to run the device?

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  1. 23 October, 17:14
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    V=IR

    V=0.3x20

    V=6

    thus to find the number of 1.5v batteries you divide 6 by 1.5

    6:1.5=4

    thus four 1.5v batteries are needed
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