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प्रश्न
Write true or false for a given statement.
Wool is a conductor of electricity.
पर्याय
True
False
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उत्तर
False
Wool is an insulator of electricity.
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संबंधित प्रश्न
Draw in your notebook the symbols to represent the following components of electrical circuits: connecting wires, switch in the ‘OFF’ position, bulb, cell, switch in the ‘ON’ position, and battery.
Figure shows four cells fixed on a board. Draw lines to indicate how you will connect their terminals with wires to make a battery of four cells.
The combination of two or more cells is called a ______.
To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.
An electrician is carrying out some repairs in your house. He wants to replace a fuse by a piece of wire. Would you agree? Give reasons for your response.
In the circuit shown in figure would any of the bulbs glow when the switch is in the ‘OFF’ position?
Select the correct alternative
Electricity can flow through
What is a battery?
You are provided with a torch bulb, a cell and two plastic coated f metal wires. Draw a diagram to show a complete circuit to light the bulb.
Visit an electric shop. Request an electrician to show you the various types of fuses and MCB and to explain how they work.
