Question

kavya observed that a discharged dry cell which kept in sun light by her father for few hours got ability to glow LED.she got many doubts and questions to rise.can you guess those questions or doubts?

Answer 1

1. how the discharged dry cell , being charged by sunlight ?
2. can we use these dry cells to some more electrical appliances ?
3. how sun light is helpful in recharging the dry cell ?
4. is it possible to recharge the dry cell in another ways ?
5. which material get charged in dry cell, when kept in sunlight ?
6.what is the mechanism during this process ?

Answer 2

Answer:

1) How could the bulb glow?

2) Which energy helped the bulb to glow?

3) How could the solar energy effect the cell?

4) How has electricity energy is obtained?

5) Can this be a repeated action?

Explanation: