Answer:
69.59 ohms
Explanation:
Given that
L=200\ mH
F=50\ hZ
R=30\ ohms
For inductance
[tex]X_L=2\times \pi\times f \times LX_L\\=2\times \pi \times 50\times 200\times 10^{-3}\\=62.8\ ohm[/tex]
[tex]R=30\ ohmsImpedance\\Z=\sqrt{R^2+X_L^2}\\Z=\sqrt{30^2+62.8^2}\ ohms\\Z =69.59\ ohms[/tex]
