Question

a 6 ohm resistance emits heat energy at the rate of 125 j/s. find the potential difference across the resistor

Answer 1

P=v²/R


125 × 6 = v²


v= 5√30

Hope it helps



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Answer 2

Answer:

Potential difference, V = 27.38 volts

Explanation:

Given that,

Resistance, R = 6 ohm

Power, P = 125 J/s = 125 watts

The relationship between the power, resistance and the voltage is given by :

$P=\dfrac{V^2}{R}$

$V=\sqrt{PR}$

$V=\sqrt{125\ W\times 6\ \Omega}$

V = 27.38 V

So, the potential difference across the resistor is 27.38 volts.