Electronic Principles Which one of the following statements best describes magnetic hysteresis? 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 the current through the coil of an electromagnet changes frequently 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 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 the current through the coil of an electromagnet changes frequently 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: None of these increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the area of the plates increasing the voltage applied to the plates decreasing the area of the plates increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second None of these causing an ac phase shift greater than 90 degree dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second None of these causing an ac phase shift greater than 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A None of these 0.02 A 0.41666666666667 2.02 A 0.955 A None of these 0.02 A 0.41666666666667 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? None of these 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these 1000 V and a parallel resistance of 10 kOhm 100 V and a parallel resistance of 10 k Ohm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
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