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Explain the physical process on the basis of which the r.m.s. value of AC is defined. Drive the expression for r.m.s. value of an alternating voltage. How does the value of Capacitative reactance of a capacitor change with the frequency of the applied alternating e.m.f across it.

Dear Student,

the capactive reactance XC=1ωChence the capacitive  reactance is inversely proportional to the frequency .Regards

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