Consider a coil (of area A, resistance R and number of turns N) held perpendicular to a uniform magnetic field of strength B. The coil is now turned through `180^(@)` in time `Deltat`. What is
(i) Average induced emf
(ii) Average induced current
(iii) Total charge that flows through a given cross-section of the coil?

Suppose a coil of area 5m^(2) , resistance 10Omega and number of turns 200 held perpendicular to a uniform magnetic field of strengh 0.4 T. The coil is now turned through 180^(@) in time 1 s. What is (i) average induced emf (ii) average induced current (iii) total charge that flows through a given cross-setion of the coil?

A circular coil of radius 2cm and 200 numbers of turns is placed perpendicular to uniform magnetic field of 2 T. The coil is turned through angle 180^@ in time interval of 0.5 s. What will be the average emf induced in the coil ?

A coil of area 500cm^(2) and having 1000 turns is held perpendicular to a uniform field of 0.4 gauss. The coil is turned through 180^(@) in 1//10sec . Calculate the average indued e.m.f.

A rectangular coil of area vecA and number of turns n is placed in a uniform magnetic field vecB. If the coil carries a current I, then the torque acting on the coil is given by

A coil has an area of 0.05 m^(2) and it has 800 turns. It is placed perpendicular in a magnitude field of strength 4xx10^(-5)Wb//m^(2) , it is rotated through 90^(@) in 0.1 sec. the average e.m.f. induced in the coil is

A coil of 1500 turns and mean area of 500 cm^2 is held perpendicular to a uniform magnetic field of induction 2 xx 10^(-4) T . The resistance of the coil is 40 ohms. When the coil is rotated through 180^@ in the magnetic field in 0.2 seconds the average electric current (in mA) induced is

a coil of 1200 turns and mean area of 500 cm^(2) is held perpendicular to a uniform magnetic field of induction 4 xx 10^(-4) T . The resistance of the coil is 20 ohms. When the coil is rotated through 180^(@) in the magnetic field in 0.1 seconds the average electric current (in mA ) induced is :