Question

10 A metal disc is made to spin at 20 revolutions per second about an axis passing through its centre
and normal to its plane The disc has a radius of 30 cm and spins a uniform magnetic field of 0.20
T, which is parallel to the axis of rotation Calculate
(a) The area swept out per second by the radius of the dive,
(b) The flux ou per second by a radius of the disc
(c) The induced emf in the disc​

Answer 1

Explanation:

Did you mean: 10 A metal disc is made to spin at 20 revolutions per second about an axis passing through its center