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CBSE Class 12-science Answered

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 | 25 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 | 25 Nov, 2021, 11:03: AM
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