1) What is the unit of impedance called? a) Kelvin b) Ohm c) Gauss 2) Which passive component is primarily inductive? a) Coil b) Resistor c) Transistor 3) What is the voltage phase shift in ideal capacitor? a) 0° b) -90° c) 90° 4) Which basic bipolar transistor amplifier topology is characterized by unity gain and high input impedance? a) Common base b) Common emitter c) Common collector 5) Which is true about MOSFETs? a) They have enormous input impedance b) They don't have a positive gate polarization version (like NPN and PNP) c) They aren't used in power electronics 6) What is the maximum frequency of operation in most electroacoustic devices? a) 2kHz b) 20kHz c) 200kHz 7) What is the acronym of the most popular digital electronics technology used in modern times? a) TTL b) CMOS c) DTL 8) What is the typical forward voltage of silicon diodes? a) 0,2V b) 0,7V c) 1,2V

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