In an ac generator,a rectangular coil of `100` turns each having area `14times10^(-2)m^(2)` is rotated at `360` rev.J/min. about an axis perpendicular to a uniform magnetic field of magnitude `3.0T`.The maximum value of the emf produced will be

A coil of 1000 turns each of area 1.2m^(2) is rotating about an axis in its plane and perpendicular to uniform magnetic field of induction 2xx10^(-3)T . If it performs 300 rpm. The peak value of induced emf is

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 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

A rectangular coil of 50 turns, each of area 0.1 m^(2) and carrying a current of 1 A is held perpendicular to a magnetic field of 0.1 T. What is the torque acting on the coil?

An a.c generator consists of a coil of 1000 turns each of area 100 cm^(2) and rotating at an angular speed of 100 rpm in a uniform magnetic field fo 3.6 xx 10^(2) T. Find the peak and r.m.s value of e.m.f induced 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.

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 rectangular coil of 200 turns and area 100 cm^(2) is kept perpendicular to a uniform magnetic field of induction 0.25 tesla. If the field is reversed in direction in 0.01 second, the average induced emf in the coil is

An a.c. generator consists of a coil of 2000 turns each of area 80 cm^(2) and rotating at an angular speed of 200 rpm in a uniform magnetic field of 4.8 xx 10^(-2) T . Calculate the peak and rms value of emf. Induced in the coil