Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these 3.2 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Weak Neutral Impossible to say Strong None of these Weak Neutral Impossible to say Strong 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? 200 mA None of these 300 mA 7.8 mA 208 mA 200 mA None of these 300 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: has no effect on the inductive reactance multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance None of these cuts the inductive reactance in half has no effect on the inductive reactance multiplies the inductive reactance by 6.28 doubles the amount of inductive reactance None of these cuts the inductive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP