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प्रश्न
Select the correct alternative
Electricity can flow through
विकल्प
wood
rubber
plastic
copper wire
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उत्तर
copper wire
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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.
The bulb in the circuit shown in Figure does not glow. Can you identify the problem? Make necessary changes in the circuit to make the bulb glow.
The combination of two or more cells is called a ______.
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.
Zubeda made an electric circuit using a cell holder shown in Figure, a switch and a bulb. When she put the switch in the ‘ON’ position, the bulb did not glow. Help Zubeda in identifying the possible defects in the circuit.
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 does not flow through
Draw a circuit diagram for a bulb connected to a cell with a switch. Mark arrow in the diagram to indicate the direction of flow of current.
Mark the correct choice
- Assertion: In a simple battery circuit the point of highest potential is the positive terminal of the battery.
- Reason: The current flows towards the point of the highest potential
Draw the symbols of the following circuit components.
Electric cell
