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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
APPEARS IN
संबंधित प्रश्न
Mention two advantages of a dry cell.
The device which converts chemical energy into electrical energy is
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
An electric cell has ______ terminals.
A chemical solution that produces positive and negative ions is used as ______.
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
What is meant by a battery or collection of cells?
Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.
Define electric cell. What is the direction of the electric current in a cell?
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?
