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प्रश्न
The device which converts chemical energy into electrical energy is
पर्याय
fan
solar cell
cell
television
उत्तर
Cell
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संबंधित प्रश्न
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
Explain the construction and working of a dry cell.
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
A chemical solution that produces positive and negative ions is used as ______.
______ was developed is 1887 by Yei Sakizo of Japan
Define electric cell. What is the direction of the electric current in a cell?
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 that use electric current. Also, name the devices used to perform the activity.
| Example: | Activity you perform | Device |
| Get light | Torch | |
