A coil of `800` turns `50 cm^(2)` area makes `10 rps` about an axis in its own plane in a magnetic field of `100` gauss perpendicular to the this axis. What is the instantaneous inducted emf in the coil ?

A coil of 800 turns and 50 cm^(2) area makes 10 rps about an axis in its own plane in a magnetic field of 100 gauss perpendicular to this axis. What is the instantaneous induced emf in the coil?

A coil of 800 turns and 50 cm^(2) area makes 10 rps about an axis in its own plane in a magnetic field of 100 gauss perpendicular to this axis. What is the instantaneous induced emf in the coil?

A rectangular coil of 200 turns or wire 15 xx 40 cm^(2) makes 50 r.p.s. about an axis in its plane parallel to its longer side and perpendicular to a magnetic field of intensity 0.08 Wb//m^(2) . What are the instantaneous values of induced e.m.f. when the plane of the coil makes an angle with magnetic field of (a) 0^(@) (b) 60^(@) (c) 90^(@) ?

A square coil of side 25cm having 1000 turns is rotated with a uniform speed in a magnetic field about axis perpendicular to the direction of the field. At an instant t , the e.m.f. induced in the coil is e=200 sin 100pi t . The magnetic induction is

A square coil of side 25cm having 1000 turns is rotated with a uniform speed in a magnetic field about axis perpendicular to the direction of the field. At an instant t , the e.m.f. induced in the coil is e=200 sin 100pi t . The magnetic induction is

A coil of area 10 cm^2 has 200 turns. Magnetic field of 0.1 Wb//m^2 is perpendicular to the plane of the coil. The field is reduced to zero in 0.1 s, the induced emf in the coil is