Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 690 ohm 220 ohm 445 ohm None of these 150 ohm 690 ohm 220 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: ampere volt watt None of these ohm ampere volt watt None of these ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is -1 1 4 None of these -1 1 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 35.4 V 37.4 V None of these 30.4 V 38.74 V 35.4 V 37.4 V None of these 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
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