Question

Q4. What are the disadvantages of heating effect of current?

Answer 1

Disadvantages of heating effects of current. When an electric current flow through a conductor, a part of the electrical energy is converted into heat energy. This is a waste of energy. The heat produced can damage the insulation on wire, damage electrical components or cause fires.

Answer 2

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When electricity is transmitted from the generating stations to the customers, the heat produced in the transmitting wires get wasted as it is simply radiated into the atmosphere. This is unwanted loss of electrical energy.

The heating effect of current is also capable of breaking the insulation of different wiring/devices.