Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 77.7 ohm 224 ohm None of these 89.3 ohm 88.8 ohm 77.7 ohm 224 ohm None of these 89.3 ohm 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm 690 ohm 220 ohm None of these 150 ohm 445 ohm 690 ohm 220 ohm None of these 150 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: causing an ac phase shift greater than 90 degree dissipating 1 W of power storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these causing an ac phase shift greater than 90 degree dissipating 1 W of power storing 1 V for 1 second changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: doubles the amount of current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors doubles the amount of current through the inductors cuts the current through the inductors one-half None of these increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit has no effect on the current through the inductors ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Negative charges Atoms Positive charges Crystals None of these Negative charges Atoms Positive charges Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field None of these Like magnetic poles repel; unlike poles attract ANSWER DOWNLOAD EXAMIANS APP
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