Answer
$Z = 218~\Omega$
Work Step by Step
We can find $Z$:
$Z = \sqrt{R^2+X_L^2}$
$Z = \sqrt{R^2+(\omega_d~L)^2}$
$Z = \sqrt{R^2+(2\pi~f_d~L)^2}$
$Z = \sqrt{(200~\Omega)^2+[(2\pi)~(60.0~Hz)~(0.230~H)]^2}$
$Z = 218~\Omega$
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