A potential difference of 250V is applied across a resistance of 1000ohm. Calculate heat energy produced in resistance in 10s?

600J

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525J

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625J

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25J

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Solution

The correct option is C 625J
Given : $V = 250$ volts $R = 1000 Ω$ $t = 10$ s
Heat produced $H = \frac{V^{2}}{R} t = \frac{(250)^{2} \times 10}{1000} = 625$ $J$

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A potential difference of 250V is applied across a resistance of 1000ohm. Calculate heat energy produced in resistance in 10s?

The correct option is C 625JGiven : V=250 volts R=1000Ω t=10 sHeat produced H=V2Rt=(250)2×101000=625 J

The correct option is C 625J
Given : $V = 250$ volts $R = 1000 Ω$ $t = 10$ s
Heat produced $H = \frac{V^{2}}{R} t = \frac{(250)^{2} \times 10}{1000} = 625$ $J$