A metal disc of radius 200 cm is rotated at a constant angular speed of `rad s^(-1)` in a plane at right angles to an external field of magnetic induction `0.05 Wb m^(-2)`. Find the e.m.f. induced between the centre and a point on the rim.

A metal disc of radius 200 cm is rotated at a constant angular speed of 60rad s^(-1) in a plane at right angles to an external field of magnetic induction 0.05 Wb m^(-2) . Find the e.m.f. induced between the centre and a point on the rim.

A metal disc of radius 200 cm is rotated at a constant angular speed of 60 rad s^-1 in a plane at right angles to an external field of magnetic induction 0.05 Wb m^-1 . Find the e.m.f. induced between the centre and a point on the rim.

A metal disc of radius 100 cm is rotated at a constant angular speed of 60 rad//s in a plane at right angles to an external field of magnetic induction 0.05 Wb//m^(2) . The emf induced between the centre and a point on the rim will be

A metal disk of radius 200 cm is rotated at a constant angular speed of 60 rad/s in a plane at right angles to an external field of magnetic induction 0.05 Wb/m. Find the emf induced between the center and a point on the rim.

A circular disc of radius 20 cm is rotating with a constant angular speed of 2.0 rad//s in a uniform magnetic field of 0.2 T. Find the e.m.f. induced between the centre and rim of the disc. Given magnetic field is along the axis of rotation of disc.

A coil of effective area 2m^2 is placed at right angles to a magnetic field of induction 0.08 Wb//m^2 . Find the e.m.f. induced in it if the field reduces to ten percent of its original value in 0.6s