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प्रश्न
Can the cell used in the clock gives us an electric shock? Justify your answer.
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उत्तर
- The cell used in the clock will not give us an electric shock because the voltage of that cell is very low nearly 1.5 v.
- So it will not affect our body.
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संबंधित प्रश्न
Name two sources of electricity.
Name the -ve terminal of a dry cell.
Name the scientist who invented the electric cell.
Primary cells are usually produced in large sizes.
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
______ was developed is 1887 by Yei Sakizo of Japan
Choose the incorrect statement.
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?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
