A square loop `ACDE` of area `20 cm^2 ` resistance `5Omega` is rotate in as magnetic field `B=2T` through `180^@` (a) in `0.01S` and (b) in `0.02 s`
Find the magnitudes of averasge values of e i and `/_\q` in both the cases.

A square loop ACDE of area 20 cm^2 resistance 5Omega is rotate in as magnetic field B=2T through 180^@ (a) in 0.01S (b) in 0.02 s Find the magnitudes of averasge values of e i and /_\q in both the cases.

A square loop of side 20 cm and resistance 0.30 Omega is placed in a magnetic field of 0.4 T. The magnetic field is at an angle of 45^(@) to the plane of loop. If the magnetic field is reduced to zero in 0.5 s, then find the induced emf and induced current in the loop in this time interval.

A square loop of side 10 cm and resistance 0.5 Omega is placed vertically in the east-west plane. A uniform magnetic field of 0.10 T is set up across the plane in the north-east direction. The magnetic field is decreased to zero in 0.70 s at a steady rate. The magnitude of current in this time-interval is.

A square metal wire loop of side 20 cm and resistance 2Omega is moved with a constant velcoity v_(0) in a uniform magnetic field of induction B = 1 Wb//m^(2) as shown in the figure. The magnetic field lines are perpendicular to the plane of the loop. The loop is connected to a network of resistance each of value 5Omega . The resistances of the lead wires BF and AE are negligible. What should be the speed of the loop, so as to have a steady current of 2 mA in the loop? Give the direction of current in the loop.

A square metal wire loop of side 20 cm and resistance 2Omega is moved with a constant velcoity v_(0) in a uniform magnetic field of induction B = 1 Wb//m^(2) as shown in the figure. The magnetic field lines are perpendicular to the plane of the loop. The loop is connected to a network of resistance each of value 5Omega . The resistances of the lead wires BF and AE are negligible. What should be the speed of the loop, so as to have a steady current of 2 mA in the loop? Give the direction of current in the loop.

A circular conducting loop of area 100 cm^(2) and resistance 3 Omega is placed in a magnetic field with its plane perpendicular to the field. If the field is spatially uniform but varies with time t (in second) as B(t) = 1.5 cos omega t tesla, the peak value of the current in the loop is

Shows a square loop having 100 turns, an area of 2.5 X10^(-3) m^2 and a resistance of 100 Omega . The magnetic field has a magnitude B =0.40 T. Find the work done in pulling the loop out of the field, slowly and uniformly is 1.0 s.