A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions

A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions per second, in a uniform magnetic field of 0.1 tesla with its plane perpendicular to the field. The e.m.f. induced across the radius of the disc is

Options

(a) πx10⁻¹ volt
(b) πx10⁻¹² volt
(c) 2πx10⁻¹ volt
(d) 2πx10⁻² volt

Correct Answer:

πx10⁻¹² volt

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. In potentiometer experiment, a cell of emf 1.25V gives balancing length of 30 cm
  2. The distance of the moon form the earth is 3.8×10⁵ km. Supposing that the eye
  3. Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms
  4. A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
  5. An α-particle and a proton travel with the same velocity in a magnetic field