In an RLC circuit a second capacitor is addedin series to the capacitor already present. (a) Does the resonancefrequency increase, decrease, or stay the same? (b) Choose the bestexplanation from among the following:I. The resonance frequency stays the same because it dependsonly on the resistance in the circuit.II. Adding a capacitor in series increases the equivalent capacitance, and this decreases the resonance frequency.III. Adding a capacitor in series decreases the equivalent capacitance, and this increases the resonance frequency.

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter32: Alternating-current Circuits
Section: Chapter Questions
Problem 20P: A 60.0-ft resistor is connected in series with a 30.0-F capacitor and a source whose maximum voltage...
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In an RLC circuit a second capacitor is added
in series to the capacitor already present. (a) Does the resonance
frequency increase, decrease, or stay the same? (b) Choose the best
explanation from among the following:
I. The resonance frequency stays the same because it depends
only on the resistance in the circuit.
II. Adding a capacitor in series increases the equivalent capacitance, and this decreases the resonance frequency.
III. Adding a capacitor in series decreases the equivalent capacitance, and this increases the resonance frequency.

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