Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? None of these 68.4 mA 28.4 mA 34.4 mA 24.2 mA None of these 68.4 mA 28.4 mA 34.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point off the load line nowhere down up None of these off the load line nowhere down up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? None of these The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance None of these The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole None of these that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
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