Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has A large internal resistance A small internal resistance None of these Zero internal resistance Infinite internal resistance A large internal resistance A small internal resistance None of these Zero internal resistance Infinite internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.6 A 0.2 A 0.4 A 0.3 A None of these 0.6 A 0.2 A 0.4 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 1 4 None of these 29 18 1 4 None of these 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? chemical cell generator solar cell None of these thermocouple chemical cell generator solar cell None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
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