Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is equal to the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values None of these equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at None of these lower end of the load line middle of the load line upper end of the load line infinity None of these lower end of the load line middle of the load line upper end of the load line infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Is greater than the number of holes None of these Impossible to say Is less than the number of holes Equals the number of holes Is greater than the number of holes None of these Impossible to say Is less than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet 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 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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