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प्रश्न
What is the purpose of a switch in a circuit?
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उत्तर
A switch is an on-off device for current in a circuit (or in an appliance).
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संबंधित प्रश्न
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 ?
What is meant by ‘MCB’? Which part of the domestic electric circuit does it replace?
What is a switch? State its function in an electric circuit.
What are ‘dual switches’? Mention their one main use.
Why should switches always be connected to the live wire? Give one precaution that should be taken while handling switches.
Would the bulb glow after completing the circuit shown in Figure if instead of a safety pin we use an eraser?
Would the bulb glow in the circuit shown in Figure?
In which position is the key placed in a circuit?
Why is the switch put in the live wire?
Name the wire to which a switch is connected.
