Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? None of these 30 Ohm 754 Ohm 60 Ohm 120 Ohm None of these 30 Ohm 754 Ohm 60 Ohm 120 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 325 kW 80 W 0.24 W 0.625 W None of these 325 kW 80 W 0.24 W 0.625 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree None of these Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow Resistances provide the only opposition to current flow The ac voltage leads the current by 90 degree None of these Capacitive reactance provides the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow 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 Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles attract, while unlike poles repel Current flowing through a conductor generates a magnetic field Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 0.41666666666667 100 A 1000 A None of these 0.1 A 0.41666666666667 100 A 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
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