An oil drop of mass m and charge +q is balanced in vaccum by a uniform electric field of intensity `E`. the direction of this field should be

An electron of mass m and charge e is fired perpendicular to a uniform electric field of intensity E with an initial velocity u. If the electron traverses a distance x in the field in the direction of firing, find the transverse displacement y it suffers.

A particle of mass m and charge q is released from rest in uniform electric field of intensity E. Calculate the kinetic energy it attains afect moving a distance x between the plates.

A particle of mass m and charge q is released from rest in uniform electric field of intensity E. Calculate the kinetic energy it attains after moving a distance y between the plates.

An oil drop of radius r carrying a charge q remain stationary in the presence of electric field of intensity E. If the density of oil rho , then

An electron of mass m and charge q is accelerated from rest in a uniform electric field of strength E. The velocity acquired by it as it travels a distance l is …..

An electron of mass m and charge q is accelerated from rest in a uniform electric field of strength E. The velocity acquired by it as it travels a distance l is

An electric dipole of moment vecp is placed in a uniform electric field of intensity vecE at an angle theta with respect to the field. The direction of the torque is