Question

200J of heat is produced in one second from a resistor of resistance 8 ohm. Find the potential difference across the Resistor and its power.
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Answer 1

Please refer to the image attached for your answer.

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Thank You.

Answer 2

Explanation:

H=200J. t=1 sec. R=8ohm

since,H=i^2 Rt

200= i^2×8×1

i^2=25

I= 5 A

so,V=iR

5×8

V=40v

And,P= Vi

P=40×5=200 watt