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 closed coil consists of 500 turns has area 4 cm^2 and a resistance of 50 Omega . The coil is kept with its plane perpendicular to a uniform magnetic field of 0.2 Wb/m^2 . Calculate the amount charge flowing through the coil if it is rotated through 180^@

A coil has 1,000 turns and 500 cm^(2) as its area. The plane of the coil is placed at right angles to a magnetic induction field of 2 xx 10^(-5) web//m^(2) . The coil is rotated through 180^(@) in 0.2 second. The average emf induced in the coil, in milli volts, is :

Calculate the maximum emf induced in a coil of 100 turns and 0.01 m^(2) area rotating at the rate of 50 rps about an axis perpendicular to a uniform magnetic field of 0.05 T. If the resistance of the coil is 30 Omega , what is the maximum power generated by it ?

A coil of N turns and area A is rotated at the rate of n rotations per second in a magnetic field of intensity B, the magnitude of the maximum magnetic flux will be __

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

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 .