A sinusoidal voltage with a peak-to-peak value of 18 V is applied to an RC low-pass filter. If the reactance at the input frequency is zero, the output voltage is________?
A18 V peak-to-peak
B9 V peak-to-peak
Czero
D12.74 V peak-to-peak
Correct answer
C. zero
Explanation
The correct answer is zero.