Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: Ohm amperes per second volts per second None of these henrys Ohm amperes per second volts per second None of these henrys ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 100 Ohm None of these 628 Ohm 444 Ohm Less than 1 Ohm 100 Ohm None of these 628 Ohm 444 Ohm Less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor thermocouple photodiode None of these solar cell photo transistor thermocouple photodiode None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain increases contant can be any of the above decreases None of these increases contant can be any of the above decreases None of these ANSWER DOWNLOAD EXAMIANS APP
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