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? 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA 24.2 mA 28.4 mA 68.4 mA None of these 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere None of these off the load line down up nowhere None of these off the load line down up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55 A 18.2 mA 55.86 A None of these 16.3 mA 55 A 18.2 mA 55.86 A None of these 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 29 18 4 1 None of these 29 18 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A None of these 1000 A 0.41666666666667 0.1 A 100 A None of these 1000 A 0.41666666666667 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or less None of these 20 km or less 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less None of these 20 km or less 200 k Ohm or more 20 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
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