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 100 A None of these 0.41666666666667 0.1 A 1000 A 100 A None of these 0.41666666666667 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: None of these parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit purely resistive circuit None of these parallel RLC circuit operated above its resonant frequency parallel RL circuit parallel RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 45 degree 75 degree 30 degree 180 degree None of these 45 degree 75 degree 30 degree 180 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? None of these 1 k Ohm 2 k Ohm 20 k Ohm 10 k Ohm None of these 1 k Ohm 2 k Ohm 20 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the value of the smallest inductor equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.5 0.25 4 180 None of these 0.5 0.25 4 180 ANSWER DOWNLOAD EXAMIANS APP
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