U-frame `ABCD` and a sliding rod `PQ` of resistance `R`, start moving with velocities v and `2v` respectively, parallel to a long wire carrying current `i_0`. When the distance `AP =1` at `t = 0`, determine the current through the inductor of inductance `L` just before connecting rod `PQ` loses contact with the U-frame.

A frame a bed and a sliding rod PQ of resistance R , start moving with the velocities v and 2v respectively parallel to a long wire carrying steady current I , as shown in the figure.

Shows a copper rod moving with velocity v parallel to a long straight wire carrying current = 100 A . Calculate the induced emf in the rod, where v = 5 m S^(-1) , a = 1 cm , b = 100cm .

In the figure shown AB is a plastic rod moving with a constant velocity v , W is an infinite long wire carrying current I . The end of the rod which is at higher potential is

A rod of length l is kept parallel to a long wire carrying constant current i . It is moving away from the wire with a velocity v. Find the emf induced in the wire when its distance in the wire when its distance from the long wire is x .

A conducting circular loop of radius a and resistance per unit length R is moving with a constant velocity v_0 , parallel to an infinite conducting wire carrying current i_0 . A conducting rod of length 2a is approaching the centre of the loop with a constant velocity v_0/2 along the direction 2 of the current. At the instant t = 0 , the rod comes in contact with the loop at A and starts sliding on the loop with the constant velocity. Neglecting the resistance of the rod and the self-inductance of the circuit, find the following when the rod slides on the loop. (a) The current through the rod when it is at a distance of (a/2) from the point A of the loop. (b) Force required to maintain the velocity of the rod at that instant.

A rod of length l is placed perpendicular to a long wire carrying current i . The rod is moved parallel to the wire with a velocity v . Find the emf induced in the rod, if its nearest end is at a distance a from the wire.

A rod of length l is placed perpendicular to a long wire carrying current i. The rod is moved parallel to the wire with a velocity v. Find the emf induced in the rod, if its nearest end is at a distance ‘a’ from the wire.

A copper rod of length 0.19m is moving with uniform velocity 10ms^(-1) parallel to a long straight wire carrying a current of 5.0A . The rod is perpendicular to the wire with its ends at distances 0.01 and 0.2m from it. Calculate the emf induced in the rod.

A uniform metal rod is moving with a uniform velocity v parallel to a long straight wire carrying a current I. The rod is perpendicular to the wire with its ends at distance r_(1) and r_(2) (with r_(2) gt r_(1) ) form it. The E.M.F. induced in the rod at that instant is