Explain why a charged body loses its charge if we touch it with our hand.

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another balloon ?

Define charge on a body.

Explain why, a body with large reflectivity is a poor emitter.

Explain why we should conserve biodiversity?

Two charged conducting spheres of radii a and b are connected to each other by a wire. What is the ratio of electric fields at the surfaces of the two spheres? Use the result obtained to explain why charge density on the sharp and pointed ends of a conductor is higher than on its flatter portions.

Explain why Factory waste is neutralised before disposing it into the water bodies.

Say whether charge on a body varies with speed or not.

Explain quantization of charge.

How can you charge a metal sphere positively without touching it

An uncharged conductor is brought in contact with a positively charged body. What is the nature of charge acquired by the conductor?