Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm None of these 250 Ohm 60 Ohm 99.3 Ohm 70.7Ohm None of these 250 Ohm 60 Ohm 99.3 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance 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 Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA 208 mA None of these 7.8 mA 300 mA 200 mA 208 mA None of these 7.8 mA 300 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow None of these The number of free electrons in an atom An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow None of these The number of free electrons in an atom An imbalance of electrical charges The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP