Related Questions

The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
A True
B False
In a parallel LC circuit, if the signal frequency is decreased below the resonant frequency, then ___________
A XL decreases and XC increases
B XL increases and XC decreases
C Line current becomes minimum
D None of the above
In a parallel LC circuit, if the input signal frequency is increased above resonant frequency then ___________
A XL increases and XC decreases
B XL decreases and XC increases
C Both XL and XC increase
D Both XL and XC decrease
If the value of C in a series RLC circuit is decreased, the resonant frequency increases
A True
B False
When a series RLC circuit is operating at its resonant frequency:
A capacitive reactance is greater than the inductive reactance
B inductive reactance is greater than the capacitive reactance
C inductive reactance is equal to the capacitive reactance
D the difference between inductive and capacitive reactance is equal to the resistance
E None of the above
In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of
A R only
B L only
C C only
D L or C
If the value of C in a series RLC circuit is decreased, the resonant frequency
A Is not affected
B Increases
C Is reduced to zero
D Decreases
In a series RLC circuit that is operating above the resonant frequency, the current
A Lags the applied voltage
B Leads the applied voltage
C Is in phase with the applied voltage
D Is zero
For frequencies below resonant frequency, a series LC circuit behaves as a ___________ load
A Resistive
B Capacitive
C Inductive
D None of the above
For frequencies above the resonant frequency , a series LC circuit behaves as a ___________ load
A Resistive
B Inductive
C Capacitive
D None of the above

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