A rectangular coil of length 1 cm and width 0.5, and 10 turns isroatated 50 revoltions per second . The magnetic field with in which the coil is rotated I s B = 0.5 T. calculate the peak value of the voltage generated acrosss the ends of the coil .

A 100 turn coil of area 0.1 m^(2) rotates at half a revolution per second. It is placed in a magnetic field of 0.01 T perpendicular to the axis of rotation of the coil. Calculate the maximum voltage generated in the coil.

A rectangular coil of 100 turns has length 5 cm and width 4 cm. it is placed with its plane parallel to a uniform magnetic field and a current of 2 A is sent through the coil. Find the magnitude of the magnetic field B, if the torque acting on the coil is 0.2 Nm^(-1).

A coil has 50 turns and its area is 500 cm^(2) . It is rotating at the rate of 50 r.p.s. at right angles to a magnetic field of 0.5 Wb//m^(2) . Calculate the maximum value of electromotive force developed across the ends of the coil.

A coil of area 80 square cm and 50 turns is rotating with 2000 revolution per minut about an axis perpendicular to a magnetic field field of 0.05 Telsa. The maximum value of the e.m.f. developed in it is