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 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 None of these 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 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 None of these Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many types of flow are there in a semiconductor? None of these 2 1 3 None of these 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time None of these All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these A large internal resistance Zero internal resistance Infinite internal resistance A small internal resistance None of these A large internal resistance Zero internal resistance Infinite internal resistance A small internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has No holes a few free electrons and holes many holes None of these many free electrons No holes a few free electrons and holes many holes None of these many free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two coils separated by a conductor two dielectrics separated by a conductor None of these two conductors separated by a dielectric two coils separated by a dielectric two coils separated by a conductor two dielectrics separated by a conductor None of these two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
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