Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 38.74 V None of these 35.4 V 30.4 V 37.4 V 38.74 V None of these 35.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The sum of the current is always less than the applied current The current waveform for each component always has the same amplitude and phase as the applied current ANSWER DOWNLOAD EXAMIANS APP
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 they have the same amplitude and frequency their waveforms are both ac or both dc All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA 28.4 mA 68.4 mA 34.4 mA None of these 24.2 mA 28.4 mA 68.4 mA 34.4 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 14 48 None of these 4 29 14 48 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Free electrons Valence electrons Doping Thermal energy None of these Free electrons Valence electrons Doping Thermal energy ANSWER DOWNLOAD EXAMIANS APP
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