Shuffling Off This Mortal Coil
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Consider the circuit below:
If L = 1{\rm mH} and V(t) is a cosine with a frequency of 40{\rm kHz} and an amplitude of 1{\rm V}, we observe that the resulting current waveform i_{\rm L}(t) has the form i_{\rm L}(t) = 1{\rm mA}\times \cos(\omega t + \phi).
From this information, deduce the values of R, \omega, and \phi. Enter each answer as a single number accurate to within 10^{-3}.
\omega (in radians/sec) \approx~
R (in Ohms) \approx~
\phi (in radians) \approx~