an electric iron moves on 200 volt a current of 4 amphere flows through this for 5 hour calculate the amound of heat energy generator?
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power = VI
heat/time=VI
heat= VIt
t=5h=5×60×60s
heat =200×4×5×60×60
=800×20×3600
=16×3600kilojoule
=57600kj
thabshir:
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