_________ Is the space around a charge in which its influence can be felt by any other charged particle.

A thin metallic spherical shell contains a charge Q on its surface. A point charge q_1 , is placed at the center of the shell, and another charge q_2 is placed outside the shell. All the three charges are positive. Then the force on charge q, is

A charged particle is released from rest in a re gion of steady and uniform electric and magnetic fields, which are parallel to each other. What will be the nature of the path followed by the charged particle? Explain your answer.

A polythene piece rubbed with wool is found to have a negative charge:- A body can be charged In the presence of another charged body without contact is called __________.

What is the effective nuclear charge, felt by a 1s electron of the helium atom ?

rite any three factors which can influence the sigmoid curve of this graph