Question

Application using heating effect of current

Answer 1

the bulb that we see also glows due to the heating effect of current. the filament which is made up of tungsten metal has a high resistance as a result when current passes through it then due to the hearing effect of electric current the bulb starts glowing
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Answer 2

The heating effect of current has the following applications :

⇒ Heaters .

⇒ Irons .

⇒ Electric bulbs.

⇒ Toasters .

⇒ Geysers .

Heating effect of current formula

• H = heat produced .

• I = current .

• R = resistance .

• T = time .

H ∝ I²

H ∝ R

H ∝ T

Thus H ∝ I²RT

= > H = I²RT