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2 April, 07:51

A 1.5m wire carries a 3 A current when a potential difference of 71 V is applied. What is the resistance of the wire?

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  1. 2 April, 07:59
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    According too ohms law I=V/R (current is equal to volts over resistance) We can rearrange it into:

    R=V/I

    Then Plug and Chug

    71/3=24 ohm's
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