Related Questions

When the frequency is decreased, the impedance of a parallel RL circuit
A Increases
B Decreases
C Remains constant
D Is not a factor
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
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases
A True
B False
When the frequency of the voltage applied to a series RL circuit is decreased, the impedance
A Decreases
B Increases
C Does not change
D Cannot be determined without values
When the frequency of the voltage applied to a series RC circuit is decreased, the impedance
A Increases
B Decreases
C Remains the same
D Doubles
In an ac circuit, power to the load peaks at the frequency at which the load impedance is the complex conjugate of the output impedance.
A True
B False
If the value of C in a series RLC circuit is decreased, the resonant frequency increases
A True
B False
When the frequency of the source voltage decreases, the impedance of a parallel RC circuit
A Increases
B Decreases
C Does not change
D Decreases to zero
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 total impedance of a parallel RLC circuit:
A always increases as the applied frequency increases
B is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
C always decreases as the applied frequency increases
D is maximum at the resonant frequency
E None of the above

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