Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

None of these
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
Hysteresis is most apparent when the core material is saturated

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Electronic Principles
The total inductance of a series inductor circuit is:

None of these
equal to the sum of the individual inductive-reactance values
equal to the sum of the individual inductance values
less than the value of the smallest inductor
equal to the source voltage divided by total current

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