Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm None of these 690 ohm 445 ohm 220 ohm 150 ohm None of these 690 ohm 445 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude None of these the number of cycles completed in one second 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? None of these 0.25 0.5 4 180 None of these 0.25 0.5 4 180 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? None of these 0.41666666666667 0.955 A 0.02 A 2.02 A None of these 0.41666666666667 0.955 A 0.02 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the inductance value of the smallest inductor None of these equal to the sum of the individual inductance values equal to the sum of the individual inductive-reactance values equal to the source voltage divided by total current less than the inductance value of the smallest inductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning batteries None of these generators oscillators lightning batteries None of these generators oscillators ANSWER DOWNLOAD EXAMIANS APP