Advertisements
Advertisements
प्रश्न
Why should switches always be connected to the live wire? Give one precaution that should be taken while handling switches.
Advertisements
उत्तर
The switch should always be connected to the live wire, so that current is cut off to that appliance to which it is connected. A switch should not be touched with wet hands.
संबंधित प्रश्न
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?

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 a switch? State its function in an electric circuit.
What are ‘dual switches’? Mention their one main use.
Complete the drawing shown in Figure to indicate where the free ends of the two wires should be joined to make the bulb glow.

What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
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.
