A horizontal loop `abcd` is moved across the pole pieces of a magnet as shown in fig. with a constant speed `v`. When the edge `ab` of the loop enters the pole pieces at time `t=0` sec. which one of the following graphs represents correctly the induced e.m.f. in the coil?

A horizontal loop abcd is moved across the pole piece of a magnet as shown in the figure. With a constant speed v. When the edge ab of the loop enters the pole pieces at time t=0 sec. Which one of the following graphs presents correctly the induced emf in the coil?

Switch S of the circuit shows in Fig. is closed at t = 0 . If e denotes the induced emf in L and i the current flowing through the circuit at time t , then which of the following graphs correctly represents the variation of e with i ?

Switch S of the circuit shows in Fig. is closed at t = 0 . If e denotes the induced emf in L and i the current flowing through the circuit at time t , then which of the following graphs correctly represents the variation of e with i ?

The magnetic flux through a coil varies with timet as shown in the diagram. Which graph best represents the variation of the e.m.f. E induced in the coil with time t?

A wire loop is placed in a region of time varying magnetic field which is oriented orthogonally to the plane of the loop as shown in Fig. The graph shows the magnetic field variation as the function of time. Assume the positive emf is the one which drives a current in the clockwise direction and seen by the observer in the direction of B. Which of the following graphs best represents the induced emf as a function of time?

A wire loop is placed in a region of time varying magnetic field which is oriented orthogonally to the plane of the loop as shown in Fig. The graph shows the magnetic field variation as the function of time. Assume the positive emf is the one which drives a current in the clockwise direction and seen by the observer in the direction of B. Which of the following graphs best represents the induced emf as a function of time?

A small piece of metal wire is dragged across the gap between the pole pieces of a magnet in 0.1 s. The magnetic flux between the pole pieces is 8 xx 10^(-4) Wb. Find the magnitude of induced e.m.f.