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electronics and communication engineering analog electronics
1. In a one pole active low pass filter, the cut off frequency is fc. Then
(A): gain decreases at the rate 40 dB per decade decrease in frequency below fc
(B): gain decreases at the rate of 20 dB per decade decrease in frequency below fc
(C): gain decreases at the rate of 20 dB per decade increase in frequency above fc
(D): gain decreases at the rate of 40 dB per decade increase in frequency above fc
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