Question

48. a) What are the main parts of an electric torch?
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Answer 1

Main parts of an electric torch and their function:

• Bulb: The bulb emits light when electric current flows through its filament.

• Electric cell: The cell is an electrically-producing device. The required current for the filament of the bulb is supplied by it.

• Switch: The switch is used to complete and break the circuit inside the torch. In simple words, it is used to turn the torch on and off.

• Reflector: The reflector is a curved, silvered mirror. It is used to focus the light in a particular direction.

• Casing: The casing is used to provide covering for the basic components of the torch for protection and safe handling.