Suppose this page is perpendicular to a uniform magnetic field and the magnetic flux through it is 5 wb. If the page is turned by 30 degrees around an edge the flux through it will be:

1. 5.0 wb

2. 4.3 wb

3. 10.0 wb

4. 2.5 wb

5. 5.8 wb

Asked by Hardikkr333 | 25th Nov, 2021, 10:46: AM

Expert Answer:

Magnetic flux = Φ0 = 5 Wb
The page is turned around through an angle = 30° 
Thus, magnetic through the edge of the paper is 
ΦB = Φ0 cosθ = 5 cos 30° = 5 x 0.866 = 4.33 Wb 

Answered by Shiwani Sawant | 25th Nov, 2021, 11:03: AM