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## Homework Statement

Consider a low-pass filter with RC=2x10

^{-4}s.

a) Calculate the -3db frequency for the filter.

b) By what factor will the amplitude of a 10 kHz input sine wave be reduced by the filter?

c) By how many db will the power be reduced by the filter at 10 kHz?

## Homework Equations

## The Attempt at a Solution

I believe I got part a. I just said that the -3db frequency is equal to 1/RC which is 50000 1/s. I need help with parts b and c though. Thank you.