What is the approximate magnitude of the impedance of a parallel R-L-C circuit at resonance?

Approximately equal to the circuit resistance.

For more information, please see Electronics Tutorials site for the article on Parallel RLC Circuit Analysis

Also, see Electrical Academia site for the article on Parallel RL Circuit

And, the well-illustrated article from wikiHow site on How to Calculate Impedance.

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What is the approximate magnitude of the impedance of a series R-L-C circuit at resonance?

Approximately equal to the circuit resistance.

For more information, please see Electronics Tutorials site for the article on Parallel RLC Circuit Analysis

Also, see Electrical Academia site for the article on Parallel RL Circuit

And, the well-illustrated article from wikiHow site on How to Calculate Impedance.

Last edited by markadlerdallas. Register to edit

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How could voltage be greater across reactances in series than the applied voltage

Resonance.

From ctrstocks:

Per Wikipedia's article on Resonance:

"In physics, resonance is the tendency of a system to oscillate with greater amplitude at some frequencies than at others. Frequencies at which the response amplitude is a relative maximum are known as the system's resonant frequencies, or resonance frequencies.

At these frequencies, even small periodic driving forces can produce large amplitude oscillations, because the system stores vibrational energy.

Resonance occurs when a system is able to store and easily transfer energy between two or more different storage modes (such as kinetic energy and potential energy in the case of a pendulum)."

Please see Electronics Tutorials site for the article on Series Resonance Circuit

And, see Electrical Academia article on Series Resonance in a Series RLC Resonant Circuit

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What is the characteristic of the current flow in a series R-L-C circuit at resonance?

Maximum.

For more information, please see Electronics Tutorials site for the article on Parallel RLC Circuit Analysis

Also, see Electrical Academia site for the article on Parallel RL Circuit

And, the well-illustrated article from wikiHow site on How to Calculate Impedance.

Last edited by markadlerdallas. Register to edit

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What is the characteristic of the current flow within the parallel elements in a parallel R-L-C circuit at resonance?

Maximum.

For more information, please see Electronics Tutorials site for the article on Parallel RLC Circuit Analysis

Also, see Electrical Academia site for the article on Parallel RL Circuit

And, the well-illustrated article from wikiHow site on How to Calculate Impedance.

Last edited by markadlerdallas. Register to edit

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What is the relationship between current through a resonant circuit and the voltage across the circuit?

The voltage and current are in phase.

From ctrstocks:

Per Wikipedia's article on Resonance:

"In physics, resonance is the tendency of a system to oscillate with greater amplitude at some frequencies than at others. Frequencies at which the response amplitude is a relative maximum are known as the system's resonant frequencies, or resonance frequencies.

At these frequencies, even small periodic driving forces can produce large amplitude oscillations, because the system stores vibrational energy.

Resonance occurs when a system is able to store and easily transfer energy between two or more different storage modes (such as kinetic energy and potential energy in the case of a pendulum)."

Please see Electronics Tutorials site for the article on Series Resonance Circuit

And, see Electrical Academia article on Series Resonance in a Series RLC Resonant Circuit

Last edited by markadlerdallas. Register to edit

Tags: none