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 None of these 100 A 0.41666666666667 0.1 A 1000 A None of these 100 A 0.41666666666667 0.1 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these capacitive reactance is greater than the inductive reactance inductive reactance is greater than the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these A load-dependent current Zero internal resistance Infinite internal resistance A load dependent voltage None of these A load-dependent current Zero internal resistance Infinite internal resistance A load dependent voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral Linear None of these Nonlinear Unipolar Bilateral Linear None of these Nonlinear Unipolar 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? 0.5 180 4 0.25 None of these 0.5 180 4 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP