Question

100 J of heat is produced each serving in a 40 ohm resistance.find the potential difference across the resistor.
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Answer 1

We know that

H = I2RT

100 = I2 X 4 X 1

100/4 = I2

I = 5 amp

V = IR

V = 5 X 4

= 20 V

Answer 2

Explanation:

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