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प्रश्न
The device which converts chemical energy into electrical energy is
पर्याय
fan
solar cell
cell
television
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उत्तर
Cell
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संबंधित प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
State two precautions that you must take when switching on an electric circuit.
Name the scientist who invented the electric cell.
Explain the construction and working of a dry cell.
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
______ was developed is 1887 by Yei Sakizo of Japan
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.
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
