A rectangular frame ABCD, made of a uniform metal wire, has a straight connection between E and F made of the samae wire, as shown in fig. AEFD is a square of side 1m, and EB=FC=0.5m. The entire circuit is placed in steadily increasing, uniform magnetic field directed into the plane of the paper and normal to it. The rate of change of the magnetic field is `1T//s`. The resistance per unit length of the wire is `1omega//m`. Find the magnitude and directions of the currents in the segments AE, BE and EF.

A rectangular frame ABCD made of a uniform metal wire has a straight connection between E & F made of the same wire as shown in the figure. AEFD is a square of side 1 m & EB = FC = 0.5 m. The entire circuit is placed in a steadily increasing uniform magnetic field directed into the plane of the paper. The rate of change of the magnetic field is 1Ts^(-1) , the resistance per unit length of the wire is 1Omegam^(-1) . If the currents in the segements AE and EF and I_(AE) and E_(EF) respectively, then what is the value of (I_(AE))/(I_(EF)) ?

A wire frame of given shape, carrying current of 10 A is placed in uniform magnetic field 100 T directed into the plane of paper as shown in figure. The net force acting on frame is

A metallic wire coil is stationary in a uniform magnetic field. What is the e.m.f .induced in the coil?

A magnetic field is directed normally downwards through a metallic frame as shown in the figure . On increasing the magnetic field __

The figure-4.240 shows ·a square wire mesh made of conducting wires. Here, each small square has side a. The structure is kept in uniform magnetic field B perpendicular to the plane of paper:

An irregular shaped wire PQRS placed in a uniform magnetic field perpendicular to the plane of the paper changes into a circular shape. What will be the direction of the induced current in the loop.

In the figure shown a semicircular wire loop is placed in a uniform magnetic field B=1.0T . The plane of the loop is perpendicular to the magnetic field. Current i=2A flows in the loop in the directions shown. Find the magnitude of the magnetic force in both the cases a and b . The radius of the loop is 1.0 m

In the figure shown a semicircular wire loop is placed in a uniform magnetic field B=1.0T . The plane of the loop is perpendicular to the magnetic field. Current i=2A flows in the loop in the directions shown. Find the magnitude of the magnetic force in both the cases a and b . The radius of the loop is 1.0 m

In the figure shown a semicircular wire loop is placed in a uniform magnetic field B=1.0T . The plane of the loop is perpendicular to the magnetic field. Current i=2A flows in the loop in the directions shown. Find the magnitude of the magnetic force in both the cases a and b . The radius of the loop is 1.0 m

A coil of metal wire is kept stationary in a non-uniform magnetic field. An e.m.f. Is induced in the coil.