What does the magnetic flux measure?
Correct answer: D. The number of magnetic lines of force
- A. Area surrounded by a magnet
- B. Strength of the magnetic field
- C. Rate of change of magnetic force
- D. The number of magnetic lines of force
Explanation
Magnetic flux is number of magnetic field lines passing through a surface placed perpendicular to it. 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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