According to coulomb's law, what do the force between two point charges proportional to?

Which type of phenomenon is likely to occur, if two charges possess opposite sign?

A. Force of attraction

B. Force of repulsion

C. Force of stability

D. Force of equality

If a negative charge is absent corresponding to Faraday's experiment of concentric spheres, then where do the flux lines show termination?

A. At zero

B. At unity

C. At infinity

D. At radial field

Flux lines never _________

1. Cross each other
2. Depend on the medium where the charges are located
3. Show radial outward direction
4. Start from positive charge

A. 1 & 2

B. 3 & 4

C. 1 & 4

D. 2 & 3

During the movement of a charge, potential energy undergoes _________

A. Expansion

B. Compression

C. Radiation

D. Reflection

The phenomenon of work done while moving a point charge in presence of an electric field is independent of _______

A. Position

B. Force

C. Path

D. All of the above