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

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

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

How can a metallic sphere be charged negatively without touching it ?

How can you charge gold leaf electroscope positively by conduction ?

How can we charge two metallic spheres with equal and opposite charge using the method of induction?

Explain how can you make a hollow metallic body positively charged by the method of induction

There is a metal object A connected to the earth with the help of a connecting wire. A positively charged object B is brought nearer to A without touching it Which of the following statement is correct?

A small uncharged metallic sphere is positioned exactly at a point midway between two equal and opposite point charges. If the sphere is slightly displaced towards the positive charge and released, then