Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current 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 Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The circular magnetic field that surrounds a conductor carrying a current 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 Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a piece of copper wire an insulator a conductor None of these a battery a piece of copper wire an insulator a conductor None of these a battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 81 9 None of these 6 85 81 9 None of these 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 10000A one-millionth of an ampere None of these one million amperes 1000 A 10000A one-millionth of an ampere None of these one million amperes 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral Unipolar Linear None of these Nonlinear Bilateral Unipolar Linear None of these Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 million farads 1 million picofarads None of these 1 millionth of a picofarad 1000 millifarads 1 million farads 1 million picofarads None of these 1 millionth of a picofarad 1000 millifarads ANSWER DOWNLOAD EXAMIANS APP
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