Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current collector current None of these base current emitter current supply current collector current None of these base current emitter current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit doubles the amount of current through the inductors None of these has no effect on the current through the inductors cuts the current through the inductors one-half increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 29 4 None of these 1 18 29 4 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms Crystals Negative charges Positive charges None of these Atoms Crystals Negative charges Positive charges None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 None of these 43922 3 2 43891 None of these 43922 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these their waveforms are both ac or both dc they have the same amplitude and frequency All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
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