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प्रश्न
The device which converts chemical energy into electrical energy is
विकल्प
fan
solar cell
cell
television
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उत्तर
Cell
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संबंधित प्रश्न
Write true or false for a given statement.
We use cell as the source of electricity to run an electric immersion rod.
Name the -ve terminal of a dry cell.
What is dry cell?
Name the scientist who invented the electric cell.
______ Cells used in automobiles like cars and buses are large and very heavy.
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
______ was developed is 1887 by Yei Sakizo of Japan
Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.
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.
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
