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प्रश्न
Select the correct alternative
In a torch, the source of electricity is
विकल्प
the bulb
the switch
the cell
the mains
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उत्तर
the cell
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संबंधित प्रश्न
What is the direction of flow of current in a dry cell?
The device which converts chemical energy into electrical energy is
Can the cell used in the clock gives us an electric shock? Justify your answer.
What are the types of cells? Give examples.
Which one of the following is using secondary using cells?
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
______ cell is used to operate devices such as mobile phones, computers, and emergency lights.
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 |
Name the portable form of an avalanche cell.
Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires, instead, she got two strips of aluminium foil. Will she succeed? Explain, how?
