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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
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उत्तर
the cell
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संबंधित प्रश्न
Name the +ve terminal of dry cell.
Which one of the following is using secondary using cells?
What is meant by a battery or collection of 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.
Write the differences between the primary cell and the secondary cell.
Choose the incorrect statement.
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?
Think of six activities which use electric current. Also name the devices used to perform the activity.
| Example: | Activity you perform | Device |
| Get light | Torch | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
