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RC Circuits - Technical MCQs

Q1:

If the frequency increases in the given circuit, how would the total current change?

A The total current would increase.

B The total current would decrease.

C The total current would remain the same.

D More information is needed in order to predict how the total current would change.

ANS:A - The total current would increase.

If frequency increases then Xc will decreases i.e., Capacitor forms short path then there is no impedance (because Short is parallel to resistor) , hence total current increase.