A conducting rod of length is moved at constant velocity `v_(0)` on two parallel, conducting, smooth, fixed rails, that are placed in a uniform constant magnetic field B perpendicular to the plane for the rails as shown in Fig. A resistance R is connected between the two ends of the rails.
Then which of the following is/are correct:

A conducting rod of length l slides at constant velocity v on two parallel conducting rails, placed in a uniform and constant magnetic field B perpendicular to the plane of the rails as shown in Fig.3.49. A resistance R is connected between the two ends of the rails. (a) Idenify the cause which produces change in magnetic flux. (b) Identify the direction of current in the loop. ( c) Determine the emf induced in the loop. (d) Compute the electric power dissipated in the resistor. (e) Calcualte the mechenical power required to pull the rod at a cinstant velovity.

A conducting rod of length l slides at constant velocity v on two parallel conducting rails, placed in a uniform and constant magnetic field B perpendicular to the plane of the rails as shown in Fig.3.49. A resistance R is connected between the two ends of the rails. (a) Idenify the cause which produces change in magnetic flux. (b) Identify the direction of current in the loop. ( c) Determine the emf induced in the loop. (d) Compute the electric power dissipated in the resistor. (e) Calcualte the mechenical power required to pull the rod at a cinstant velovity.

A conducting rod of length L slides at a constant velocity V on two parallel conducting rails as shown in figure. The mechanical power required to pull the rod at constant velocity is

A resistance R is connected between the two ends of the parallel smooth conducting rails.A conducting rod lies on these fixed horizontal rails and a uniform constant magnetic field B exists perpendicular to the plane of the rails as shown in the figure.If the rod is given a velocity v and released as shown in figure, it will stop after some time, which option are correct:

A resistance R is connected between the two ends of the parallel smooth conducting rails.A conducting rod lies on these fixed horizontal rails and a uniform constant magnetic field B exists perpendicular to the plane of the rails as shown in the figure.If the rod is given a velocity v and released as shown in figure, it will stop after some time, which option are correct:

A conducting wire xy of lentgh l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of

A conducting wire xy of lentgh l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of

A conducting wire xy of lentgh l and mass m is sliding without friction on vertical conduction rails ab and cd as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the rails, x moves with a constant velocity of

A constant force is being applied on a road of length 'l' kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnitic field B shown.

A constant force is being applied on a road of length 'l' kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnitic field B shown.