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प्रश्न
What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
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उत्तर
A switch is an electric device that is used to complete or break an electric circuit. If the switch is ‘ON’, then a current can flow through the circuit. However, if the switch is ‘OFF’, then the current cannot flow through the circuit.
Electrical appliances such as table fans, electric lamps, washing machines, juicers and mixers, TV, radio, etc. have switches built into them.
संबंधित प्रश्न
Name the wire in a household electrical circuit to which the switch is connected
The diagram below shows a dual control switch circuit connected to a bulb.

(i) Copy the diagram and complete it so that the bulb is switched ON.
(ii) Out of A and B which one is the live wire and which one is the neutral wire ?
It is dangerous to connect the switch in the neutral wire. Explain your answer.
A switch must be connected in the ______.
How should the electric lamps in a house be connected so that the switching ON or OFF in a room has no effect on other lamps in the same building?
What is meant by ‘MCB’? Which part of the domestic electric circuit does it replace?
Name the component which connects electrical components to one another.
In the circuit shown in the following figure, when the switch is moved to ‘ON’ position,

Why is the switch put in the live wire?
Name the wire to which a switch is connected.
