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प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
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उत्तर
In a torch we use dry cell as the source of electricity.
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संबंधित प्रश्न
Select the correct alternative
In a torch, the source of electricity is
State two precautions that you must take when switching on an electric circuit.
Describe the construction, working and usefulness of a dry cell, with the help of a diagram.
Name the +ve terminal of dry cell.
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?
Choose the incorrect statement.
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
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?
