A `0.1 m` long conductor carrying a current of `50 A` is perpendicular to a magentic field of `1.25 mT`. The mechanical power to move the conductor with a speed of `1ms^(-1)` is

A conductor of length 1m and carrying current of 1A is placed parallel to the magnetic field of 1 gauss .The magnetic force acting on the conductor is: ?

A conductor of length 1m and carrying current of 1A is placed at an angle 45^@ to the magnetic field of 1 oersted. The force acting on the conductor is

A straight wire 50cm long carries a current of 5A . It is placed at right angle to a uniform magnetic field of 1T . Find the mechanical force on the wire and the power required to move it at 10ms^-1 in a plane at right angles to the magnetic field.

A straight wire of 1.4 m long carries a current of 7 A at right angles to a uniform magnetic field of 0.01 T. Calculate the mechanical force acting on the wire due to the magnetic field.

A conductor PQ, carrying a current i is placed perpendicular to a long conductor xy carrying a current i. The direction of force on PQ will be

A rectangular coil of 50 turns, each of area 0.1 m^(2) and carrying a current of 1 A is held perpendicular to a magnetic field of 0.1 T. What is the torque acting on the coil?

Find the force on the conductor carrying current I_1 as shown in figure.

A straight conductor of length 0.4 m is moved with a speed of 7 m/s perpendicular to the magnetic field of intensity of 0.9 Wb//m^(2) . The induced e.m.f. across the conductor will be

An infinite long straight conductor XY is carrying a current of 10A . An electron is moving with a speed of 10^5m^-1 parallel to the conductor in air from point A to B, as shown in figure. The perpendicular distance between the electron and the conductor XY is 20cm . Calculate the magnitude of the force experienced by the electron. Write the direction of this force.