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प्रश्न
Select the correct alternative
In a torch, the source of electricity is
पर्याय
the bulb
the switch
the cell
the mains
MCQ
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उत्तर
the cell
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संबंधित प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
Name two sources of electricity.
Name the +ve terminal of dry cell.
The device which converts chemical energy into electrical energy is
Name the device used to generate electricity.
Explain the construction and working of a dry cell.
A chemical solution that produces positive and negative ions is used as ______.
______ was developed is 1887 by Yei Sakizo of Japan
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?
