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प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
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उत्तर
In a torch we use dry cell as the source of electricity.
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संबंधित प्रश्न
Name two sources of electricity.
What is the direction of flow of current in a dry cell?
Mention two advantages of a dry cell.
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
______ was developed is 1887 by Yei Sakizo of Japan
______ cell is used to operate devices such as mobile phones, computers, and emergency lights.
A battery is a group of ______.
Choose the incorrect statement.
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
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?
