Magnetic flux will be maximum when:A. Magnetic field is perpendicular to the plane area ⃝B. Magnetic field lies parallel to the plane area ⃝C. Area is held at an angle of 45o ⃝D. Magnetic flux density is perpendicular to area vector of the surface
Question
Magnetic flux will be maximum when:A. Magnetic field is perpendicular to the plane area ⃝B. Magnetic field lies parallel to the plane area ⃝C. Area is held at an angle of 45o ⃝D. Magnetic flux density is perpendicular to area vector of the surface
Solution
The magnetic flux (Φ) through a surface is given by the relationship:
Φ = B * A * cos(θ)
where:
- B is the magnetic field (in teslas, T),
- A is the area of the surface (in square meters, m²), and
- θ is the angle between the magnetic field and the normal (perpendicular) to the surface.
The maximum value of cos(θ) is 1, which occurs when θ = 0°. This means that the magnetic field is perpendicular to the surface. Therefore, the magnetic flux will be maximum when the magnetic field is perpendicular to the plane area. So, the correct answer is A. Magnetic field is perpendicular to the plane area.
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