Electronic Principles What are the main parts of an atom? Protons only Electrons, protons, and ions Electrons, ions, and neutrons Electrons, protons, and neutrons None of these Protons only Electrons, protons, and ions Electrons, ions, and neutrons Electrons, protons, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons many holes a few free electrons and holes None of these No holes many free electrons many holes a few free electrons and holes None of these No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 18 V 12 V None of these 30 V 24 V 18 V 12 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current All of these None of these The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The current waveform for each component always has the same amplitude and phase as the applied current All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit None of these parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit None of these ANSWER DOWNLOAD EXAMIANS APP
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