Question

Uses of heating effect of electric current ​

Answer 1

Answer:

1)The heating effect of electric current is utilised in the working of electrical heating appliances such as electric room heater , electric iron , immersion rod etc . many things.

2)The heating effect of electric of electric current is utilised electric bulbs (or electric lamp) for producing light.

Answer 2

Explanation:

(1)The Electric Bulb: The filament bulb is such that the inner core filament (mostly tungsten as it does not melt easily) is heated up to a certain temperature after which it is illuminated.

(2)The Electric Iron: Bimetallic plates and applying the heating effect of current helps the iron break the flow of electricity when a certain temperature is reached. You may have noticed this when the red light on an iron box comes on and off.

(3) Electric Heater: Similar to that of an iron box but here, a circuit breaker is used