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Explain the Joule's law of heating …

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Explain the Joule's law of heating and derive its formula.

Posted by Nitin Nigam 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Gaurav Seth 5 years, 5 months ago

Work done in carrying a charge Q through a potential difference V is given as

Also, Q = I t

Using Ohm's law, V = I R
W = I² Rt
This work done in carrying the charge th rough the wire appears as the heat produced. i.e.,

H = V I t = I²Rt.

this energy is dissipated as heat energy.

This relationship is also known as Joule's Law of Heating

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