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26/07/2021 3:43 pm
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A heating coil has a resistance of 200 Ω. At what rate will heat be produced in it when a current of 2.5 A flows through it?
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26/07/2021 3:46 pm
Given: R = 200 ohms, I = 2.5 amp, t = 1 sec
We know that
H = I2RT
H = 2.52 x 200 x 1
H = 1250 J/s