Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: has no effect on the inductive reactance None of these cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 has no effect on the inductive reactance None of these cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves nowhere None of these up off the load line down nowhere None of these up off the load line down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Zero internal resistance A small internal resistance Infinite internal resistance A large internal resistance None of these Zero internal resistance A small internal resistance Infinite internal resistance A large internal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: round off both the voltage and current waveforms peak the current and round off the voltage waveforms None of these peak both the voltage and current waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak the current and round off the voltage waveforms None of these peak both the voltage and current waveforms peak the voltage and round off the current waveforms ANSWER DOWNLOAD EXAMIANS APP
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