Motional EMF can be produced with:
Correct answer: D. Constant magnetic field
- A. Changing magnetic fields in space
- B. Changing magnetic field in time
- C. Changing flux with space
- D. Constant magnetic field
Explanation
A motional EMF is the EMF induced by a conductor moving through a constant magnetic field.
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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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