Brainiac6446 Brainiac6446

04-11-2017
Physics

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A 1.5m wire carries a 7 A current when a potential difference of 63 V is applied. What is the resistance of the wire? ohms

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vannialvionitaovavh6 vannialvionitaovavh6

04-11-2017

to find the resistance, the formula you need to use is
[tex]r = \frac{v}{i} [/tex]
whereby i reprsents the current and v represents the potential difference.
therefore,
r=63/7
r=9 ohms

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