Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 100 V None of these 180 V 120 V 170 V 100 V None of these 180 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 None of these 4 0.25 180 0.5 None of these 4 0.25 180 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: rotor battery None of these commutator armature rotor battery None of these commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells None of these solar cells voltage generators piezoeletric cells chemical cells None of these solar cells voltage generators piezoeletric cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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