Electronic Principles Which one of the following phrases best describes residual magnetism? None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the voltage source None of these Open the load resistor Short the load resistor Open the voltage source Short the voltage source None of these Open the load resistor Short the load resistor Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode thermocouple solar cell None of these photo transistor photodiode thermocouple solar cell None of these photo transistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Positive charges Negative charges Atoms Crystals None of these Positive charges Negative charges Atoms Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point None of these off the load line up nowhere down None of these off the load line up nowhere down ANSWER DOWNLOAD EXAMIANS APP