List of top Physics Questions on Electric Charge asked in Rajasthan PMT

Three point charges $ +q,-2q $ and $ +q $ are placed at points $ (x=0,y=a,x=0), $ $ (x=0,y=0,z=0) $ and $ (x=a,y=0,z=0), $ respectively. The magnitude and direction of the electric dipole moment vector of this charge assembly are

Which of the following plots represents the variation of the electric field with distance from the centre of a uniformly charged non-conducting sphere of radius $R$ ?

The separation between the two charges $ +q $ and $ -q $ becomes double. The value of force will be:

When a glass rod is rubbed with silk, the amount of positive charge acquired by glass rod in magnitude is: