Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 0.3V 0.7V 2 m V per degree Celsius 1 V None of these 0.3V 0.7V 2 m V per degree Celsius 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 24 V 18 V None of these 12 V 30 V 24 V 18 V None of these 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The circular magnetic field that surrounds a conductor carrying a current None of these The amount of magnetic flux that is not confined to the core material of an electromagnet 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 circular magnetic field that surrounds a conductor carrying a current None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: None of these purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit series RL circuit None of these purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit series RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current emitter current base current supply current None of these collector current emitter current base current supply current 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? Less than 1 Ohm 628 Ohm 100 Ohm None of these 444 Ohm Less than 1 Ohm 628 Ohm 100 Ohm None of these 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
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