Electronic Principles The rotating coil of wire in an electric motor is called the: brush commutator None of these loop armature brush commutator None of these loop armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor Current and voltages are in phase through a resistor Current leads the voltage through a resistor None of these All of these Current lags the voltage through a resistor Current and voltages are in phase through a resistor Current leads the voltage through a resistor None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 None of these 0.955 A 0.02 A 2.02 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? 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 Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
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? 88.8 ohm 89.3 ohm 77.7 ohm 224 ohm None of these 88.8 ohm 89.3 ohm 77.7 ohm 224 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = ER E = I2R E = PR None of these I = E/R I = ER E = I2R E = PR None of these I = E/R ANSWER DOWNLOAD EXAMIANS APP