Electronic Principles What is one important thing transistors do? Rectify line voltage Emit light Regulate voltage None of these Amplify weak signals Rectify line voltage Emit light Regulate voltage None of these Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
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 None of these Like magnetic poles attract; unlike poles repel 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 None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these a temporary magnet a natural magnet an artificial magnet a paramagnetic alloy None of these a temporary magnet a natural magnet an artificial magnet a paramagnetic alloy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 None of these 6 9 85 81 None of these 6 9 85 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 220 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 22, 000 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Number of lines of force Reluctance Magnetomotive force None of these Flux density Number of lines of force Reluctance Magnetomotive force None of these ANSWER DOWNLOAD EXAMIANS APP
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