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प्रश्न
When the chemicals in the electric cell are used up, the electric cell stops producing electricity. The electric cell is then replaced with a new one. In case of rechargeable batteries (such as the type used in mobile phones, camera and inverters), they are used again and again. How?
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उत्तर
Secondary cells or storage cells can replenish rechargeable batteries by delivering current.
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संबंधित प्रश्न
Write true or false for a given statement.
We use cell as the source of electricity to run an electric immersion rod.
State two precautions that you must take when switching on an electric circuit.
Mention two advantages of a dry cell.
Secondary cell can be used only once.
Explain the construction and working of a dry cell.
What is meant by a battery or collection of cells?
Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.
Choose the incorrect statement.
Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires, instead, she got two strips of aluminium foil. Will she succeed? Explain, how?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
