Question

What is joule law of heating ??? List application of joules heating effect in daily life ..??

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Answer 1

hey mate

here is your answer

the joule's law of heating is i²rt where i is the electric ,r is the resistance and t is time.

when electric current passes through the conductor,then due to resistance ,heat is produced which is equal to i²rt.

here are some examples:

1)-room heater

2)-geyser

3)-hair dryer.

Answer 2

Joule heating, also known as Ohmic heating and resistive heating, is the process by which the passage of an electric current through a conductor produces heat.

Joule's first law, also known as the Joule–Lenz law,[1] states that the power of heating generated by an electrical conductor is proportional to the product of its resistance and the square of the current:

{\displaystyle P\propto I^{2}R} {\displaystyle P\propto I^{2}R}

Joule heating affects the whole electric conductor, unlike the Peltier effect which transfers heat from one electrical junction to another.