A square loop MNOP of side 20 cm is placed horizontally in a uniform magnetic field acting vertically downwards as shown in Fig. The loop is pulled with a constant velocity of `20 cm//s` till it goes out of the field.

A square loop of side L, resistance R placed in a uniform magnetic field B acting normally to the plane of the loop. If we attempt to pull it out of the field with a constant velocity v, then the power needed is

A square loop of side L, resistance R placed in a uniform magnetic field B acting normally to the plane of the loop. If we attempt to pull it out of the field with a constant velocity v, then the power needed is

A rectangular loop of wire in the plane of the paper starts outside a perpendicular uniform magnetic field directed into the paper as shown in the following figure. The loop is pulled with a constant velocity through the magnetic field and out the other side. Which of the following graphs would best represent the variation of the electric current in the wire with time?

A square loop is placed in a uniform magnetic field vecB as shown in fig. The power needed to pull it out of the field with a velocity v is proportional to

A square loop of side 22cm is converted into circular loop in 0.4s . A uniform magnetic field of 0.2T directed normal to the loop, then the induced in the loop is

A circular loop of radius R=20 cm is placed in a uniform magnetic field B=2T in xy -plane as shown in figure. The loop carries a current i=1.0 A in the direction shown in figure. Find the magnitude of torque acting on the loop.

A circular loop of radius R=20 cm is placed in a uniform magnetic field B=2T in xy -plane as shown in figure. The loop carries a current i=1.0 A in the direction shown in figure. Find the magnitude of torque acting on the loop.

A circular loop of radius R=20 cm is placed in a uniform magnetic field B=2T in xy -plane as shown in figure. The loop carries a current i=1.0 A in the direction shown in figure. Find the magnitude of torque acting on the loop.

A semi-circular loop of radius R is placed in a uniform magnetic field as shown. It is pulled with a constant velocity. The induced emf in the loop is

A conducting square loop of side 10 cm is placed in a region of uniform magnetic field 0.5 T as shown in the figure. Calculate the work done in slowly moving the loop out of the field in 2 seconds with a speed of 0.05 m s^(-1) . The resistance of loop is 10 Omega .