Electronic Principles Most AC power is obtained from: None of these oscillators batteries generators lightning None of these oscillators batteries generators lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current supply current emitter current None of these collector current base current supply current emitter current None of these collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these An imbalance of electrical charges The force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material None of these An imbalance of electrical charges The force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The longer the period of a waveform, the lower its frequency None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz 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 None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 2 1 None of these 4 2 1 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = I2R None of these P = IE I = P/E P = E2/R P = I2R None of these P = IE I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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