A rectangular coil of size `10 cm xx 20` cm has 60 turns. It is rotating about one of its diagonals in magnetic field `0.5 Wb//m^(2)` with a rate of 1800 revolution per minute. The induced e.m.f. in the coil can be
(1) 111 V (2) 112 V (3) 113 V (4) 114 V

A rectangular coil 25 cm xx 10 cm and having 700 turns rotates about an axis at right angles to a magnetic field of 20 gauss at 1,500revolutions per minute. Calculate the maximum vlaue of the e.m.f. generated in the coil.

A rectangular coil 20 cm xx 10 cm having 500 turns rotates in a magnetic field of 5 xx 10^(-3) T with a frequency of 1200 rev min^(-1) about an axis perpendicular to the field.

A rectangular coil 20 cm xx 10 cm having 500 turns rotates in a magnetic field of 5 xx 10^(-3) T with a frequency of 1200 rev min^(-1) about an axis perpendicular to the field.

A coil of area 80cm^(2) and number of turns 50 is rotating about an axis perpendicular to magneitc field of 0.05T at 200 rotations per minute. The maximum value of e.m.f. induced in it will be

Find the change in magnetic flux associated with the coil in 15 seconds, if the induced e.m.f. in the coil is 2 xx 10^-3V .

The coil of area 0.1 m^(2) has 500 turns. After placing the coil in a magnetic field of strength 4 xx 10^(-4) Wb//m^(2) , if rotated through 90^(@) in 0.1 s, the average emf induced in the coil is

A coil of area 100 cm^(2) has 500 turns. Magnetic field of 0.1 "weber"//"metre"^(2) is perpendicular to the coil. The field is reduced to zero in 0.1 second. The induced e.m.f. in the coil is

A rectangular coil of area 50cm^(2) and 100 turns is placed perpendicular to a magnetic field of 10^(-2)Wb//m^(2) . If the coil is withdrawn from the field in 40 ms, calculate the emf induced.

A rectangular coil of dimensions 40 cm xx25 cm having 1000 turns rotates in a uniform magnetic field of strength 0.08 Wbm^(-2) about an axis perpendicular to the field. If the coil makes 300 revolution per minute, find the instantaneous emf when the plane of the coil make and angle of 0^(@)