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प्रश्न
Write true or false for a given statement.
We use cell as the source of electricity to run an electric immersion rod.
विकल्प
True
False
उत्तर
False
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संबंधित प्रश्न
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
What is the direction of flow of current in a dry cell?
Name the -ve terminal of a dry cell.
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
What are the types of cells? Give examples.
Match the following
| 1. | Dry cells | a. | Reversible |
| 2. | Electrolyte | b. | Opens or closes the circuit |
| 3. | Switch | c. | Solution |
| 4. | Secondary cell | d. | Torches |
Define electric cell. What is the direction of the electric current in a cell?
Write the differences between the primary cell and the secondary cell.
An electric bulb is connected to a cell through a switch as shown in Fig. 12.7. When the switch is brought in the ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.
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?
