Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: None of these 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 that has its molecules arranged in a random pattern None of these 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 that has its molecules arranged in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? None of these Ohmmeter Ammeter Voltmeter Wattmeter None of these Ohmmeter Ammeter Voltmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 180 degree 75 degree None of these 30 degree 45 degree 180 degree 75 degree None of these 30 degree 45 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 300 µA 250 µA None of these 350 µA 0.25 µA 300 µA 250 µA None of these 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS