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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

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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2 votes
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

asked
User Parvez Hassan
by
8.5k points

1 Answer

5 votes
to find the resistance, the formula you need to use is

r = (v)/(i)
whereby i reprsents the current and v represents the potential difference.
therefore,
r=63/7
r=9 ohms
answered
User Chris Schreiner
by
8.6k points
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