100j of heat is produced each second in a 4 OHM resistance find the potential difference across the resistor
100j of heat is produced each second in a 4 OHM resistance find the potential difference across the resistor
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Here, it is given H = 100J, t = 1sec, R = 4ohms,
We know that according to Joule's law of heating
H = I2RT
100 = I2×4×1
100/4 = I2
I = 5amp
Again we know that
V = IR
V = 5X4
= 20V