Advertisements
Advertisements
प्रश्न
Fill in the blank
In a torch we use ______ as the source of electricity.
Advertisements
उत्तर
In a torch we use dry cell as the source of electricity.
APPEARS IN
संबंधित प्रश्न
What is the direction of flow of current in a dry cell?
Mention two advantages of a dry cell.
Name the device used to generate electricity.
Primary cells are usually produced in large sizes.
Which one of the following is using secondary using cells?
What is the source of electric current in a T.V. remote?
Write the differences between the primary cell and the secondary cell.
When the chemicals in the electric cell are used up, the electric cell stops producing electricity. The electric cell is then replaced with a new one. In case of rechargeable batteries (such as the type used in mobile phones, camera and inverters), they are used again and again. How?
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?
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 | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- | |
| ___________ | -------------- |
