Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current base current None of these emitter current collector current supply current base current None of these emitter current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: battery commutator rotor None of these armature battery commutator rotor None of these armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 550 Ohm 310 Ohm 410 Ohm None of these 400 Ohm 550 Ohm 310 Ohm 410 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these Silicon All of these Germanium Copper None of these Silicon All of these Germanium Copper ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 -1 None of these 1 4 -1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
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