Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 0.3V None of these 2 m V per degree Celsius 1 V 0.7V 0.3V None of these 2 m V per degree Celsius 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential Forward voltage Applied voltage None of these Breakdown voltage Barrier potential Forward voltage Applied voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: you are pressing the button you are not pressing the button None of these its contact remain open its contact remain open you are pressing the button you are not pressing the button None of these its contact remain open its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA None of these 7.8 µA 7.75 µA 14.8 µA 10.3 µA None of these 7.8 µA 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms None of these one-millionth of an ohm 100,000 ohm 1 k ohm one million ohms None of these one-millionth of an ohm 100,000 ohm 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
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