How do you charge an object by induction?

How do you charge an object by conduction?

How do you charge a gold leaf electroscope negatively by induction?

In charging a neutral object by induction, the side nearer to the positively charged object acquires negative charge.

How do you measure work done?

How do you change the pitch of a wind instrument?

How can you charge a metal sphere negatively without touching it?

How can you charge a metal sphere positively without touching it?

How do you explain the cleaning action of detergent on the basis of intermolecular forces?

You have seen seather reposts on television and in neqapapers. How do you think are able to predict the weather?

Charging by conduction and charging by induction