200j of heat is produced in one from a resistor of resistance 8 ohm find the voltage and resistance and it's powe
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Answer: Is it 1 second or 1 minute i am considering both
In 1 sec
Heat = V^2/R*t
200= V^2 / 8 *1= V^2 = 200*8 = 1600
V= 40
And power = V^2/ R
= 1600/8 = 200W
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