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 most apparent when a steady amount of current is lowing through the coil of an electromagnet 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 the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor commutator None of these armature battery rotor commutator None of these armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes Impossible to say Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a conductor two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric None of these two coils separated by a conductor two dielectrics separated by a conductor two coils separated by a dielectric two conductors separated by a dielectric None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these A paramagnetic material A diamagnetic material None of these A ferromagnetic material All of these A paramagnetic material A diamagnetic material None of these A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA 2.02 A None of these 0.151 mA 0.995 mA 157 raA 2.02 A None of these 0.151 mA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
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