Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 7.8 mA 200 mA None of these 208 mA 300 mA 7.8 mA 200 mA None of these 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit parallel RL circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms Negative charges None of these Crystals Positive charges Atoms Negative charges None of these Crystals Positive charges 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? 0.41666666666667 0.02 A 0.955 A None of these 2.02 A 0.41666666666667 0.02 A 0.955 A None of these 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: None of these less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral None of these Nonlinear Unipolar Linear Bilateral None of these Nonlinear Unipolar Linear ANSWER DOWNLOAD EXAMIANS APP