The voltage across a 65uf capacitor is described by the, Ask an Expert

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The voltage across a 65uF capacitor is described by the equation vc=(18V)cos(200t), where t is in second.

a) What is the voltage across the capacitor at t=0.015 s? Please include appropriate units.

b) What is the capacitive reactance? Please include appropriate units.

c) What is the peak current? Please include appropriate units.

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