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15/07/2021 2:26 pm
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A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
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15/07/2021 2:27 pm
R = 20 ohms
I = 2amp
We know that
V = IR
Thus,
V = 2 x 20
V = 40V