Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open its contact remain open you are pressing the button you are not pressing the button None of these its contact remain open its contact remain open you are pressing the button you are not pressing the button None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55.86 A 55 A 18.2 mA None of these 16.3 mA 55.86 A 55 A 18.2 mA None of these 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? None of these 175 mA 1750 mA 1.75 mA 17.5 mA None of these 175 mA 1750 mA 1.75 mA 17.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy Mechanical energy Chemical energy None of these Electronical energy Solar energy Mechanical energy Chemical energy None of these Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow None of these Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys amperes per second Ohm None of these volts per second henrys amperes per second Ohm None of these volts per second ANSWER DOWNLOAD EXAMIANS APP
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