Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the load resistor None of these Open the voltage source Open the load resistor Short the voltage source Short the load resistor None of these Open the voltage source Open the load resistor Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: None of these series RC circuit series RLC circuit operated above its resonant frequency purely resistive circuit series RL circuit None of these series RC circuit series RLC circuit operated above its resonant frequency purely resistive circuit series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 2 4 None of these 1 2 4 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium None of these Silicon Copper All of these Germanium None of these Silicon Copper All of these ANSWER DOWNLOAD EXAMIANS APP