Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RL circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit purely resistive circuit parallel RL circuit parallel RLC circuit operated above its resonant frequency None of these parallel RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? None of these The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these they have the same amplitude and frequency their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: has no effect on the total circuit current None of these doubles the amount of total current cuts the total current by one-half thrice the amount of total current has no effect on the total circuit current None of these doubles the amount of total current cuts the total current by one-half thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: causing an ac phase shift greater than 90 degree storing 1 V for 1 second None of these dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree storing 1 V for 1 second None of these dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal None of these One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP