Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance cuts the inductive reactance in half has no effect on the inductive reactance None of these multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit parallel RL circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 1 4 2 None of these 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these ANSWER DOWNLOAD EXAMIANS APP
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