Ampere-turn is the unit of magnetomotive force (mmf).

More Questions from Magnetism and Electromagnetism

• The tesla is the unit of magnetic flux.
• Materials with a low retentivity do not retain a magnetic field very well.
• Hysteresis is the number of lines of force per unit area in a magnetic field.
• Lenz's law defines the polarity of the induced voltage.
• A magnetic field is made up of flux lines.
• Reluctance in a magnetic circuit is analogous to current in an electrical circuit.
• Electromagnetic induction is the force that produces a magnetic field.

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