Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

None of these
doubles the amount of current through the inductors
cuts the current through the inductors one-half
has no effect on the current through the inductors
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit

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

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

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