Physcics
Apr 14, 2011, 12:13 AM
What inductance is necessary for 157 Ohms of inductive reactance at 1000HZ
jcaron2
Apr 14, 2011, 01:14 PM
The impedance of an inductor is Z=j\omega L. Therefore, the reactance is X=\omega L = 2 \pi f L.
Just set X=157 and f=1000, and solve for L. You should get something in the neighborhood of 25 mH.