Question

derive joules law of heating in terms of current resistance and time

Answer 1

DEAR MATE ,

HERE IS YOUR ANSWER

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W=VQ  ( potential difference ) --------  ( i )

Q=IT  (current defination)

PUTING Q=IT IN EQn 1

W=VIT

FROM OHMS LAW W = I2RT

LETS ASSUME THAT ALL THE WORK DONE IS CONVERTED TO ENERGY

IE. H=I2RT

HEAT PRODUCED IN A RESISTOR IS DIRECTLY PROPORTIONAL TO

• SQUARE OF CURRENT
• RESISTANCE OF CIRCUIT
• TIME OF CURRENT FLOWING

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