Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 most apparent when the current through the coil of an electromagnet changes frequently 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 core material is saturated Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm 1590 Ohm 312 Ohm less than 1 Ohm None of these 690 Ohm 1590 Ohm 312 Ohm less than 1 Ohm None of these 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? 2.02 A 157 raA 0.151 mA None of these 0.995 mA 2.02 A 157 raA 0.151 mA None of these 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Voltmeter Ohmmeter Ammeter None of these Wattmeter Voltmeter Ohmmeter Ammeter None of these Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 36 V 0 V 40 V 60 V None of these 36 V 0 V 40 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit None of these series RC circuit series RL circuit series RLC circuit operated below its resonant frequency purely resistive circuit None of these series RC circuit series RL circuit series RLC circuit operated below its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
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