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प्रश्न
Would the bulb glow after completing the circuit shown in Figure if instead of a safety pin we use an eraser?

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उत्तर
Erasers are bad conductors of electricity. They do not conduct electricity. The circuit becomes an open circuit. Hence, the bulb will not glow if a safety pin is replaced with an eraser.
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?

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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.
Why should switches always be connected to the live wire? Give one precaution that should be taken while handling switches.
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?
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,

