Question

a current of 3 A passes through a wire of resistance 12.5 ohms. calculate the potential difference between the ends of the wire​

Answer 1

The potential difference between the ends of the wire is 37.5 V

Explanation:

We can answer this question by using Ohm's law, which states the relationship between current, resistance and potential difference in a wire:

$V=RI$

where

V is the potential difference

R is the resistance

I is the current

For the wire in this problem, we have:

I = 3 A is the current

$R=12.5 \Omega$ is the resistance

Solving the equation for V, we find the potential difference:

$V=RI=(3)(12.5)=37.5 V$

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