Q.

Notch is a                  

A. high pass filter
B. low pass filter
C. band stop filter
D. band pass filter
Answer» C. band stop filter
Explanation: notch filter is a band stop filter that allows most frequencies to pass through it, except frequencies in a specific range. it is just opposite of a band-pass filter. high pass filter allows higher frequencies to pass while low pass filter allows lower frequencies to pass through it.
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