Electrical Engineering - RC Circuits - Discussion

Discussion :: RC Circuits - General Questions (Q.No.7)


The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency

[A]. must be increased
[B]. must be decreased
[C]. is held constant
[D]. has no effect

Answer: Option B


No answer description available for this question.

Raj said: (Aug 16, 2012)  
The Capacitance(C) is inversely proportional to f(frequency). So to increase capacitance voltage , f must be decreased.

Rams said: (Oct 15, 2014)  
V = iXc.
Xc = 1/(2*pi*f*c).

So, voltage is inversely proportional to the frequency.
If increase the voltage then frequency should be decreases.

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