Advertisements
Advertisements
प्रश्न
The device which converts chemical energy into electrical energy is
विकल्प
fan
solar cell
cell
television
Advertisements
उत्तर
Cell
APPEARS IN
संबंधित प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
What is the direction of flow of current in a 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 |
Analogy.
Primary cells:: Toys
Secondary cells:: ______.
______ was developed is 1887 by Yei Sakizo of Japan
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.
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.
Will the bulb glow in both the cases?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
