Question

What is the impedance of a series LCR circuit at resonance when \[R=3\,\Omega\]?

Options

• \[Z=R=3\,\Omega\]

• \[Z=5\,\Omega\]

• \[Z=8\,\Omega\]

• \[Z=4\,\Omega\]

Answer 1

At resonance, the impedance is equal to the resistance. For the stated circuit, \[Z=R=3\,\Omega\].