Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 4.73 None of these 0.4 V 600 V 24 V 4.73 None of these 0.4 V 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V 18 V None of these 12 V 30 V 24 V 18 V None of these 12 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 None of these 1.5 0.707 10.738 0.575 None of these 1.5 0.707 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole None of these that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole 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% 22, 000 Ohm, 10% 22,000 Ohm, 5% None of these 220 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 22,000 Ohm, 5% None of these 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
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