The value of magnetic flux is 10Wb, when magnetic lines of force containing magnetic field strength of 1T passing through unit area of 10m², then angle between magnetic field and unit area is:
Correct answer: A. 360°
- A. 360°
- B. 180°
- C. 90°
- D. 45°
Explanation
The magnetic flux is equal to the magnetic field strength times the area through which the field lines pass times the angle between the field lines and the area; Ⲫ= BAcos(X). By making X the subject, we can find the angle which would be either 0 or 360.
This question appeared on the UHS MDCAT 2017 paper, which you can sit online with every answer explained.
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About Magnetic Flux
Magnetic flux measures the magnetic field passing through a surface, calculated for a uniform field as Φ = BA cos θ, where θ is the angle between the field and the surface normal. Questions involve area, field strength and orientation, the weber as its unit, and the distinction between flux and magnetic field.
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