Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these rotor commutator battery armature None of these rotor commutator battery armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The total voltage is equal to the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The total voltage is equal to the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor All of these None of these Current leads the voltage through a resistor Current lags the voltage through a resistor Current and voltages are in phase through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these The flow of charged particles through a material An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow None of these The flow of charged particles through a material An imbalance of electrical charges The number of free electrons in an atom The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ANSWER DOWNLOAD EXAMIANS APP
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