Answer:
The correct approach is "12.56 Ω".
Explanation:
The given values are:
Frequency,
f = 100 Hz
Inductor length,
L = 20 mH
Now,
The inductive reactance will be:
⇒ [tex]X_L=2 \pi fL[/tex]
On putting the estimated values, we get
⇒ [tex]=2 (3.14)\times 100\times 20\times 10^{-3}[/tex]
⇒ [tex]=12.56 \ \Omega[/tex]
