Question

explain joul heating effect of current with applications?

Answer 1

Answer:

Joule heating (also referred to as resistive or ohmic heating) describes the process where the energy of an electric current is converted into heat as it flows through a resistance.

Explanation:

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Answer 2

Here is your answer

According to Joule's law of heating,  if heat H is being produced in a wire then

H∝I2

H∝R

H∝t

where I is current in wire R is resistance of wire and t is the for which current flows.

Combining all factors 

Heat produced in a wire is given by H=I2Rt in Joule

Applications of Joule's heating effect in daily life :

(1) The heating effect of current is utilised in the working of electric heating appliances such as electric iron, electric kettle, electric toaster, electric oven, room heaters, geysers, etc.

(2) The heating effect of electric current is utilised in electric bulbs.

(3) The heating effect of electric current is utilised in electric fuse for protecting household wiring and electrical appliances.

(4)The heating effect of electric current is utilised in laundry iron.