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 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 Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to None of these Short the load resistor Short the voltage source Open the load resistor Open the voltage source None of these Short the load resistor Short the voltage source Open the load resistor Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 88.8 ohm 89.3 ohm 224 ohm None of these 77.7 ohm 88.8 ohm 89.3 ohm 224 ohm None of these 77.7 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: None of these from negative to positive from positive to negative from right to left from neutral to positive None of these from negative to positive from positive to negative from right to left from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases Increases None of these Stays the same 0oC Decreases Increases None of these Stays the same 0oC ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E P = PR P = E2/R None of these R = E2/P I = P/E P = PR P = E2/R None of these R = E2/P ANSWER DOWNLOAD EXAMIANS APP
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