Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 208 mA 7.8 mA None of these 200 mA 300 mA 208 mA 7.8 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that costs nothing An electron that has been freed from its parent atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Open the load resister Open the voltage source None of these Short the load resistor Short the voltage source Open the load resister Open the voltage source None of these Short the load resistor Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: capacitive reactance is greater than the inductive reactance None of these inductive reactance is greater than the capacitive reactance 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 None of these inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions None of these Doping Recombination Barrier potential Ions None of these Doping Recombination Barrier potential ANSWER DOWNLOAD EXAMIANS APP
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