A dipole consisting of an electron and a proton separated by a distance `4xx10^(-10)m` is situated in an electric field of intensity`3xx10^5NC^(-1)` at an angle of `30^@` with the field. Calculate the dipole moment and torque acting on it.

An electric dipole is placed in a uniform electric field of strength ‘E’ at an angle theta with the field:- What is the torque acting on the dipole?

Calculate the electrostatic force acting on a proton when it is placed in a uniform electric filed of 3.2 xx 10^4 NC^-1 .

Two charges +3muC and -3muC are separated by a very small distance of 5mm. Br If the above arrangement is placed in a uniform electric field of intensity 3x10^-5 N/C with its axis perpendicular to the field direction. What is the torque acting on it?

A proton enter a magnetic field 1.25 T with a velocity 1.5 xx 10^(7) m/s with 30^(o) angle with the field. Find the force on the proton?

Calculate the coulomb's force between two alpha particles separated by a distance of 3.2 xx 10^(-15)m .

An electric dipole, when held at 30^(0) with respect to a uniform electric field of 10^(4)NC^(-1) experiences a torque of 9x10^(26)Nm. Calculate dipole moment of the dipole.