Which of the following defines the change in magnetic flux per unit area?
Correct answer: D. Magnetic flux density
- A. Magnetic field
- B. Magnetic force
- C. Magnetic dipole
- D. Magnetic flux density
Explanation
Change in magnetic flux per unit area is Φ/A which is equal to B i.e. magnetic flux density. Φ = B . A Hence, option D is correct.
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About Electromagnetism
Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.
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