Electronic Principles Which one of the following phrasers best describes flux density? None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The force that maintains lines of force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a paramagnetic alloy None of these a temporary magnet an artificial magnet a natural magnet a paramagnetic alloy None of these a temporary magnet an artificial magnet a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the load resistor Open the voltage source Open the load resistor Short the voltage source None of these Short the load resistor Open the voltage source Open the load resistor Short the voltage source None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance A small internal resistance Zero internal resistance A large internal resistance None of these Infinite internal resistance A small internal resistance Zero internal resistance A large internal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 88.8 ohm 224 ohm 77.7 ohm None of these 89.3 ohm 88.8 ohm 224 ohm 77.7 ohm None of these 89.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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