AC Fundamentals, Circuit and Circuit Theory Magnitude of current at resonance in R-L-C circuit Depends upon the magnitude of R Depends upon the magnitude of C Depends upon the magnitude of L Depends upon the magnitude of R, Land C Depends upon the magnitude of R Depends upon the magnitude of C Depends upon the magnitude of L Depends upon the magnitude of R, Land C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency Will change the resonance frequency Will increase the selectivity of the circuit Will change the maximum value of current at resonance Will change the impedance at resonance frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Inductance Resistance None of the listed here Capacitance Inductance Resistance None of the listed here Capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Can act as energy storage devices Can dissipate considerable amount of power Oppose sudden changes in voltage Connecting them in parallel increases the total value Can act as energy storage devices Can dissipate considerable amount of power Oppose sudden changes in voltage Connecting them in parallel increases the total value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Actual power is more than its reactive power Reactive power is more than the apparent power Reactive power is more than the actual power Apparent power is equal to the actual power Actual power is more than its reactive power Reactive power is more than the apparent power Reactive power is more than the actual power Apparent power is equal to the actual power ANSWER DOWNLOAD EXAMIANS APP
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