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A 1.5m wire carries a 7 A current when a potential difference of 68 V is applied. What is the resistance of the wire?
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A 1.5m wire carries a 7 A current when a potential difference of 68 V is applied. What is the resistance of the wire?

User Kashif Khan
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1 Answer

5 votes

Working...

length of wire L = 1.5 m

current I = 7 A

potential difference V = 68 Volt

According to Ohm's Law

V = IR

R = V/I

R = 68/7

R = 9.7 Ω

User Bruno
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