Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 81 85 6 None of these 9 81 85 6 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A 0.41666666666667 0.1 A None of these 100 A 1000 A 0.41666666666667 0.1 A None of these 100 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal voltage source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these Ideal current source and series resistor Ideal voltage source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 0 V 40 V 36 V 60 V None of these 0 V 40 V 36 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance has no effect on the capacitive reactance None of these cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance has no effect on the capacitive reactance None of these cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
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