Electronic Principles Which one of the following phrases best describes residual magnetism? None of these The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off 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 The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off 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 Silicon atoms combine into an orderly pattern called a None of these Valence orbit Crystal Covalent bond Semiconductor None of these Valence orbit Crystal Covalent bond Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the voltage and round off the current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage None of these increasing the voltage applied to the plates increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles attract, while unlike poles repel None of these Like magnetic poles repel, while unlike poles attract 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 None of these Like magnetic poles repel, while unlike poles attract Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: knife switch rotary switch None of these momentary push button switch toggle switch knife switch rotary switch None of these momentary push button switch toggle switch ANSWER DOWNLOAD EXAMIANS APP
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