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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
APPEARS IN
संबंधित प्रश्न
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
Name the -ve terminal of a dry cell.
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
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.
A battery is a group of ______.
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?
Figure A and B, show a bulb connected to a cell in two different ways.
- What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q)
- Will the bulb glow in both the cases?
- Does the brightness of the glowing bulb depend on the direction of current through it?
