Question

Write the Joule law of heating??




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Answer 1

Answer:

Joule’s law of heating states that, when a current ‘i ' passes through a conductor of resistance ‘r’ for time ‘t’ then the heat developed in the conductor is equal to the product of the square of the current, the resistance and time.

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Answer 2

Joules Law of Heating

" The law states that when a current 'i' passes through a conductor of residence 'R' tor time 't' then the heat developed in the conductor is equal to the product of the square of the current, resistance and time. "

The heat generated can be expressed as :

$\huge\boxed{\bf{H=i^2Rt}}$

Applications of Joules law of heating

• Electric heating device.

• Fuse wire.

• Electric bulb.