Q. The cells/ batteries which can be recharged are usually those in:
- Electric clocks
- Mobile phones
- Cameras
- TV remote
Which of the above is / are correct?
Answer:
Only 2 and 3
Notes: An electric cell has a number of chemicals stored in it. The electric cell produces electricity from the chemicals stored in it. When all the chemicals in the electric cell are used up, the cell stops producing electricity. This electric cell has then to be thrown away and replaced with a new one. Ordinary electric cells cannot be recharged. Electric cells or batteries used in cars, cameras and mobile phones, etc. can be recharged again and again for many years.