Question: An inductor with L = 9.50 mH is connected across an ac source that has voltage amplitude 45.0 V. (a) What is the phase angle

An inductor with L = 9.50 mH is connected across an ac source that has voltage amplitude 45.0 V.

(a) What is the phase angle ϕ for the source voltage relative to the current? Does the source voltage lag or lead the current?

(b) What value for the frequency of the source results in a current amplitude of 3.90 A?

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