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A 200 Omega resistor is connected in ser...

A `200 Omega` resistor is connected in series with a `5(mu)F` capacitor. The voltage across the resistor is `V_(R )=(1.20 V) cos (2500 rad s^(-1))t`.
(a) Derive an expression for the circuit current.
(b) Determine the capactive reactance of the capacitor.
(c ) derive an experssion for the voltage across the capacitor.

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