Physics

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An inductor is in the built in the shape of a solenoid of radius 0.20 cm, length 4.0 cm, with 1000 turns. This inductor is connected to a generator supplying an rms voltage of 1.2×〖10〗^(-4) V AC at an angular frequency of 9.0×〖10〗^3 radians/s.

(a) What is the inductance? Assume that the solenoid can be treated as very long.
(b) What is the rms current flowing through the inductor?
(c) What is the rms energy stored in the inductor?

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