Question

What is the heating effect of electric current? Give few real-life examples where it is used.

Answer 1

Definition: 1 Mark
Applications: 2 Marks

When an electric current flows through a wire, the wire gets heated. It is the heating effect of current. This effect has many applications.

A filament is a thin wire inside a bulb which produces light. It is a kind of resistor. When electricity passes through the material, the filament gets heated, it glows producing light.

Various other electrical appliances where this principle is used are iron, electric heater, etc.