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प्रश्न
Think of six activities that use electric current. Also, name the devices used to perform the activity.
| Example: | Activity you perform | Device |
| Get light | Torch | |
उत्तर
| Example: | Activity you perform | Device |
| Get light | Torch | |
| Prepare an icecream | Refrigerator | |
| Watch movies | Television | |
| Listening songs | Radio | |
| Talk to someone far | Telephone | |
| Ironing clothes | Electric iron |
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संबंधित प्रश्न
What is the direction of flow of current in a dry cell?
The device which converts chemical energy into electrical energy is
Can the cell used in the clock gives us an electric shock? Justify your answer.
What are the types of cells? Give examples.
Which one of the following is using secondary using cells?
What is meant by a battery or collection of cells?
What is the source of electric current in a T.V. remote?
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?
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?
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?
