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प्रश्न
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?
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उत्तर
Yes, she will succeed as aluminium foil strips can act as connecting wires being good conductor of electricity.
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संबंधित प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
Select the correct alternative
In a torch, the source of electricity is
Name two sources of electricity.
Name the -ve terminal of a dry cell.
The device which converts chemical energy into electrical energy is
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
Which one of the following is using secondary using cells?
______ was developed is 1887 by Yei Sakizo of Japan
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?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
