A charge particle enters a magnetic field with velocity v in a direction perpendicular to the field. Find the expression for the redius of the circular path of the particle.

A charged particle enters a magnetic field with a velocity v in a direction perpendicular to the field. Find an expression for the radius of the circular path of the particle.

Write an expression for the velocity of the centre of a mass of particles.

A proton enters a uniform magnetic field of intensity 1.5 T in a direction perpendicular to the field. If the K.E. of the proton is (8.5 x 10^-25 J) , find the force acting on it.

Does a magnetic field exert a force on a static charge?

A charged particle of mass m and charge q is projected with velocity nu making in angle theta with the direction of a uniform magnetic field of induction B. Find the expression for- Pitch of the helical path followed by the particle.

Write the expression for the motion of a charge moving in a magnetic field.

A square loop of a conducting material of side and resistance r is dragged through a uniform magnetic field B with uniform velocity nu keeping the plane of the loop perpendicular to the direction ofthe field. What isthe current flowing through the loop?