A 20.0-mH inductor is connected to a standard electrical
outlet (ΔVrms= 120 V; f = 60.0 Hz). Determine the
energy stored in the inductor at t = (1/180) s, assuming
that this energy is zero at t = 0.
Now when i tried to solve it, this is what i did:
ω = 2∏ f = 2∏(60.0/s) = 377 rad/s
XL =...