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प्रश्न
An electric cell has ______ terminals.
उत्तर
An electric cell has two terminals.
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संबंधित प्रश्न
State two precautions that you must take when switching on an electric circuit.
Name the +ve terminal of dry cell.
Name the scientist who invented the electric cell.
Secondary cell can be used only once.
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
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 |
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?
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?
