A conductor of length 3m moving in a uniform magnetic field of strength 100 T. It covers a distance of 70 m in 5 sec. Its plane of motion makes an angle of `30^(@)` with direction of magnetic field. Calculate the emf induced in it.

What is the magnitude of magnetic force per unit length on a wire carrying a current of 8 A and making an angle of 30^@ with the direction of a uniform magnetic field of 0.15 T?

A magnet of magnetic moment 10 Am^2 is freely suspended in a uniform magnetic field of strength 5 T. The work done in rotating the magnet through an angle 60^@ is given by :

A proton of energy 8 MeV enters a uniform magnetic field of 5T at right angles to the field. What is the magnetic force acting on proton ?

A magnet of length 12 cm has pole strength 10 units. Find out the torque acting on the magnet when it is placed at an angle of 30^@ with the direction of a uniform field of strength 0.5 oersted.

If the solenoid is free to tum about the vertical direction and a uniform hortzontal magnetic field of 0.25 T is applied, what is the magnitude of torque on the solenoid when its axis makes an angle of 30^@ with the direction of applied field? (Here M=0.6J/T)

A conductor of length 10 cm is moved parallel to itself with a speed of 10 m/s at right angle to a uniform magnetic field of 10^(-4)"wb"//m^(2) . What is the e.m.f. induced in it?