Question

1. Write the principle on which a torch works.
2. What materials are needed to make an electric bulb glow?
3. Define closed and open electric circuits.
4. Describe construction and principle of an electric cell.
5. Describe construction and working of an electric bulb.
6. Discuss possible closed circuits in which bulb glows and also possible open circuits in which
bulb does not glow. Give your opinion based on facts.
VIT Tong A​

Answer 1

Answer:

actually I don't know if you have a very good question