A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction 1 ( Wbm2 ) in such a way that its axis makes an angle of 60 with B. The magnetic flux linked with the disc is
- 0.08 Wb
- 0.01 Wb
- 0.02 Wb
- 0.06 Wb
Answer
(3) 0.02 Wb
Solution
= BA , where is the angle between B and the area vector (axis).
= 1 (0.2)2 60
= 0.04 0.5 = 0.02 Wb
Answer: (3)