Advertisements
Advertisements
प्रश्न
Select the correct alternative
In a torch, the source of electricity is
पर्याय
the bulb
the switch
the cell
the mains
Advertisements
उत्तर
the cell
APPEARS IN
संबंधित प्रश्न
Name two sources of electricity.
Mention two advantages of a dry cell.
Arrange in sequence
| A CELL | A DEVICE | ELECTRICAL ENERGY |
| IS CALLED | IN TO | CHEMICAL ENERGY |
| THAT CONVERTS |
Can the cell used in the clock gives us an electric shock? Justify your answer.
Assertion (A): Primary cells can not be recharged, they can be used only once.
Reason (R): In vehicles, we use primary cells.
A battery is a group of ______.
Name the substance that becomes ions in solutions and acquires the capacity to conduct electricity.
Choose the incorrect statement.
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?
