Electronic Principles The rotating coil of wire in an electric motor is called the: loop commutator brush armature None of these loop commutator brush armature None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 120 V 170 V 100 V None of these 180 V 120 V 170 V 100 V None of these 180 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 85 None of these 6 9 81 85 None of these 6 9 ANSWER DOWNLOAD EXAMIANS APP
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: battery armature rotor commutator None of these battery armature rotor commutator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E R = E2/P P = PR None of these P = E2/R I = P/E R = E2/P P = PR None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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