Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 122 W 64 W 6 W None of these 3 W 122 W 64 W 6 W None of these 3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance None of these inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance 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 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 most apparent when the core material is saturated 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 current through the coil of an electromagnet changes frequently None of these Hysteresis is most apparent when the core material is saturated ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: None of these the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second None of these the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required to change the frequency of a current by 1 Hz the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43922 3 43891 2 None of these 43922 3 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP
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