Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Impossible to say Neutral Weak Strong None of these Impossible to say Neutral Weak Strong ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field None of these 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? 7.75 µA 10.3 µA 14.8 µA 7.8 µA None of these 7.75 µA 10.3 µA 14.8 µA 7.8 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power None of these causing an ac phase shift greater than 90 degree storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power None of these causing an ac phase shift greater than 90 degree storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing ANSWER DOWNLOAD EXAMIANS APP
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