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? 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these 28.4 mA 68.4 mA 34.4 mA 24.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left from positive to negative from negative to positive None of these from neutral to positive from right to left from positive to negative from negative to positive None of these from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals None of these Emit light Rectify line voltage Regulate voltage Amplify weak signals None of these Emit light Rectify line voltage Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22, 000 Ohm, 10% None of these 22,000 Ohm, 5% 220 Ohm, 10% 220 Ohm, 5% 22, 000 Ohm, 10% None of these 22,000 Ohm, 5% 220 Ohm, 10% 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as upper end of the load line lower end of the load line cutoff point None of these infinity upper end of the load line lower end of the load line cutoff point None of these infinity ANSWER DOWNLOAD EXAMIANS APP
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