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प्रश्न
Name two sources of electricity.
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उत्तर
- dry cell and battery
- generator and solar cell
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संबंधित प्रश्न
Select the correct alternative
In a torch, the source of electricity is
What is the direction of flow of current in a dry cell?
What is dry cell?
The device which converts chemical energy into electrical energy is
Name the device used to generate electricity.
Define electric cell. What is the direction of the electric current in a cell?
Write the differences between the primary cell and the secondary cell.
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Will the bulb glow in both the cases?
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Does the brightness of the glowing bulb depend on the direction of current through it?
Think of six activities which use electric current. Also name the devices used to perform the activity.
| Example: | Activity you perform | Device |
| Get light | Torch | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
