Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: None of these series RLC circuit operated below its resonant frequency series RL circuit series RC circuit purely resistive circuit None of these series RLC circuit operated below its resonant frequency series RL circuit series RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 208 V 707 V 700 V None of these 651 V 208 V 707 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value None of these the amplitude at 1.41 times the maximum value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A diamagnetic material A paramagnetic material A feiTomagnetic material None of these All of these A diamagnetic material A paramagnetic material A feiTomagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the voltage applied to the plates increasing the area of the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates increasing the voltage applied to the plates increasing the area of the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
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