Leahbug04 Leahbug04

06-10-2017
Physics

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A 1.5m wire carries a 4 A current when a potential difference of 78 V is applied. What is the resistance of the wire? ohms

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Аноним Аноним

06-10-2017

applying ohms law
v=ir
78=4r
78/4=r
19.5=r
hence resistance is 19.5

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