In figure, the cube is `40.0 cm` on each edge. Four straight segments of wire `ab, bc, cd` and `da` form a closed loop that carries a current `I=5.00A`, in the direction shown. A uniform magnetic field f magnitude the positive y-direction. Determine the magnitude and `B =0.020 T` is in direction of the magnetic force on each segment.

In figure is shown a circular loop carrying current I. Show the direction of the magnetic field with the help of lines of force.

Given figure shows a coil bent with all edges of length 1 m and carrying a current of 1 A . There exists in space a uniform magnetic field of 2 T in positive y-direction. Find the torque on the loop.

A current of 5.0 A exists in the circuir shown in The wire PQ has a length of 50 cm the magnetic field in which it is immersed has a magnitude of 0.20 T. Find the magnetic force acting on the wire PQ.

Two straight segments of wire ab and bc each carrying current I, are placed as shown in fig. The cube edge is 50 cm and magnetic field is uniform along y-axis having magnitude 0.4T

The cube as shown in Fig. 1.61, 75.0 cm on a side, is placed in a uniform magnetic field of 0.860 T parallel to the x-axis. The wire abcdef carries a current of 6.58 A in the direction indicated. (a) Determine the magnitude and direction of the force acting on the segment ab. (b) Determine the magnitude and direction of the force acting on the sement bc. (c) Determine the magnitude and direction of the force acting on the segment cd. (d) Determine the magnitude and direction of the force acting on the segment de. (e) Determine the magnitude and direction of the force acting on the segment ef. (f) What are the magnitude and direction of the total force on the wire ?

The segment of wire shown in figure carries a current of i = 5.0 A where the radius of the circular arc is R = 3.0 cm . Determine the magnitude and direction of the magnetic field at the origin.

Find the magnitude and direction of force on following current carrying wires. Direction of magnetic field is indicated in each case.

A closed loop PQRS carrying a current is place in a unifrom magnetic forces on segments PS, SR and RQ are F_(1), F_(2) and F_(3) respectively and are in the plane of the paper and along the directions shown, the force on the segment QP is