Electronic Principles Inductive reactance is measured in units of: None of these volts per second Ohm amperes per second henrys None of these volts per second Ohm amperes per second henrys ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.2 A 0.6 A 0.3 A None of these 0.4 A 0.2 A 0.6 A 0.3 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 9 81 85 None of these 6 9 81 85 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit None of these purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RC circuit parallel RL circuit None of these purely resistive circuit 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 None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells None of these piezoeletric cells chemical cells voltage generators solar cells None of these piezoeletric cells chemical cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
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