From the graph in Fig. 23-17b, what is the attenuation in decibels at (a) 100 Hz; (b) 10 kHz; (c) 50 kHz?
Question 23.7: From the graph in Fig. 23-17b, what is the attenuation in de...
a. At f =100 Hz, N_{dB} = 0 dB, as indicated by point A on the graph.
b. At f = 10 kHz, N_{dB} = -16 dB, as indicated by point B on the graph.
c. At f = 50 kHz,N_{dB} = -30 dB, as indicated by point C.
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