A circular disc of radius 0.2 m is placed in a uniform magnetic field of induction π 1 ( m 2 Wb ) in such a way that its axis makes an angle of 6 0 ∘ with B . The magnetic flux linked with the dis

Question

A circular disc of radius 0.2 m is placed in a uniform magnetic field of induction π 1 ​ ( m 2 Wb ​ ) in such a way that its axis makes an angle of 6 0 ∘ with B . The magnetic flux linked with the disc isNEET 2008 (Screening)

TestHub · Accepted Answer

The magnetic flux ϕ passing surface of area A placed in a u field B is given by ϕ = B A cos θ where θ is the angle between ​ Here, θ = 6 0 ∘ , B = π 1 ​ Wb / m 2 , A = π ( 0.2 ) 2 Therefore, ϕ = π 1 ​ × π ( 0.2 ) 2 × cos 6 0 ∘ = ( 0.2 ) 2 × 2 1 ​ = 0.02 Wb ​

Physics - EMI/AC Question with Solution | TestHub

Options:

Doubts & Discussion