Related Questions

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
The bandwidth of a resonant filter is determined by the quality factor (Q) of the circuit and the resonant frequency.
A True
B False
For frequencies below the resonant frequency , a parallel LC circuit behaves as a ___________ load
A Inductive
B Resistive
C Capacitive
D None of the above
If the value of C in a series RLC circuit is decreased, the resonant frequency increases
A True
B False
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
For frequencies above the resonant frequency, a parallel LC circuit behaves as a ___________ load
A Capacitive
B Resistive
C Inductive
D None of the above
If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth
A Disappears
B Becomes sharper
C Increases
D Decreases
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:
A parallel RL circuit
B parallel RC circuit
C parallel RLC circuit operated above its resonant frequency
D purely resistive circuit
E None of the above
To tune a parallel resonant circuit to a higher frequency, the capacitance should be
A Increased
B Decreased
C Left alone
D Replaced with inductance
When a parallel 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

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