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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
What is the purpose of a switch in a circuit?
The following diagram shows three lamps and three switches 1, 2 and 3 connected with two cells.
- Name the switch / switches to be closed so as to light all the three lamps.
- How are the lamps connected: in series or in parallel?
It is dangerous to connect the switch in the neutral wire. Explain your answer.
What are ‘dual switches’? Mention their one main use.
Would the bulb glow after completing the circuit shown in Figure if instead of a safety pin we use an eraser?
In which position is the key placed in a circuit?
Name the component of a circuit which help us to start or stop the appliances & safely and easily.
Why is the switch put in the live wire?
What precaution do you take while handling a switch?
