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Which of the following can be used to offer a higher impedance to all frequencies except the resonant frequency? A. RL time constant circuit B. Parallel LC circuit C. RC time constant circuit D. Series
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10 votes
Which of the following can be used to offer a higher impedance to all frequencies except the resonant frequency?

A. RL time constant circuit
B. Parallel LC circuit
C. RC time constant circuit
D. Series LC circuit

User Wackaloon
by
3.7k points

2 Answers

3 votes

Answer:

D. Series LC circuit

Step-by-step explanation:

can be used to offer a higher impedance to all frequencies except the resonant frequency.

User Josh Homann
by
4.4k points
4 votes

Answer:

D. Series LC circuit

Step-by-step explanation:

Impedance changes monotonically with frequency for an RC or RL circuit. A parallel LC circuit has a maximum of impedance at resonance. Only the series LC circuit will have its lowest impedance at resonance, and a higher impedance elsewhere in the frequency spectrum.

User Renats Stozkovs
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4.7k points
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