Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 None of these 2 3 43922 43891 None of these 2 3 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Linear Nonlinear Bilateral Unipolar None of these Linear Nonlinear Bilateral Unipolar None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current 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 None of these The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? 444 Ohm 628 Ohm Less than 1 Ohm 100 Ohm None of these 444 Ohm 628 Ohm Less than 1 Ohm 100 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
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