Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 85 9 6 81 None of these 85 9 6 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm None of these 120 Ohm 30 Ohm 754 Ohm 60 Ohm None of these 120 Ohm 30 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V None of these 0 V 40 V 60 V 36 V None of these 0 V 40 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges The force that causes electrons to flow The flow of charged particles through a material None of these The number of free electrons in an atom An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
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