Four infinitely long wires carring equal currents are placed parallel and equidistant as shown in figure. Then magnitude of force

Four infinitely long L shaped wires, each carrying a current i have been arranged as shown in the figure.Obtain the magnetic field strength at the point O equidistant from all the four corners.

Two thin infinitely long parallel wires carrying current I each are separated by a distance r. The magnitude of the force per unit length experienced by one wire due to the other is

Four forces are acting on a body as shown in figure. The magnitude of resultant of the forces is

Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The magnitude of magnetic force on all three is same. Reason Net force on wire-2 is zero.

Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The magnitude of magnetic force on all three is same. Reason Net force on wire-2 is zero.

Two long wires are placed parallel to each other 10cm apart as shown in figure. The magnetic field at point P is

one of the two infinitely long wires carrying current I is bent as shown in the adjacent figure. The magnetic induction at C is equal to

Figure shows a long straight current carrying wire with a current I_(1) and a thin strip of width b and length l placed parallel to it with a current I_(2) as shown in figure. Find the magnitude force of interaction between current I_(1) and I_(2)