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RLC Circuits and Resonance
If the value of C in a series RLC circuit is decreased, the resonant frequency
is not affected
increases
is reduced to zero
decreases
Correct Answer:
increases
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RLC Circuits and Resonance
The quality factor (Q) is the ratio of true power to apparent power.
A series resonant circuit is commonly called a tank circuit.
A lower Q produces a narrower bandwidth.
XL and XC have opposing effects in an RLC circuit.
At series resonance, the inductive reactance and capacitive reactance are never equal.
In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.
In a series RLC circuit, the current is minimum at resonance.
The reactive voltages, VL and VC, cancel at resonance.
In a series RLC circuit, the larger reactance determines the net reactance of the circuit.
Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.
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