Electronic Principles What is a free electron? None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly is contant varies enormously None of these equals the collector current divided by the base current varies slightly is contant varies enormously None of these equals the collector current divided by the base 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 The north pole of a magnet is the one: None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values equal to the sum of the individual capacitance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sun of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.3V None of these 0.7V 2 m V per degree Celsius 1 V 0.3V None of these 0.7V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
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