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14 August, 13:05

A current of 8.0 A flows through a resistor when a potential difference of 20.0 V is applied to the resistor. What is the resistance of the resistor?

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  1. 14 August, 13:18
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    I=U/R (current = potential/resistance)

    8=20/r

    r=20/8

    r=2.5
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