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प्रश्न
Secondary cell can be used only once.
विकल्प
True
False
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उत्तर
Secondary cell can be used only once- False.
Correct statement
Primary cells can be used only once
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संबंधित प्रश्न
Name the +ve terminal of dry cell.
Mention two advantages of a dry cell.
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
Which one of the following is using secondary using cells?
Define electric cell. What is the direction of the electric current in a cell?
An electric bulb is connected to a cell through a switch as shown in the following figure. When the switch is brought in ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.
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?
Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.
Will the bulb glow in both the cases?
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?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
