Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm 6 Ohm 50 Ohm or more None of these 5 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Retentivity There is no valid comparison Reluctance Permeance Permeability Retentivity There is no valid comparison Reluctance Permeance Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current All of these The sum of the current is always less than the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current All 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 None of these its contact remain open its contact remain open you are not pressing the button you are pressing the button None of these its contact remain open its contact remain open you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that has its molecules arranged in a random pattern None of these that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern None of these that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP