In a bandpass filter, the lower cut-off frequency, fr, is best described by:
a. CN
ÄÄÄÄ
2ãC2
b. ÚÄÄÄÄÄÄÄ
ûf1 ú f2
c. 1
ÄÄÄÄÄÄÄ
2ãRTHC1
c. 1
ÄÄÄÄÄÄÄ
2ãRTHC1
Mathematics
You might also like to view...
Write the rational number in the form of an infinite geometric series.
A. 0.7 + 0.07 + 0.007 + 0.0007 + ... B. 7.7 + 0.07 + 0.007 + 0.0007 + ... C. 0.07 + 0.007 + 0.0007 + 0.00007 + ... D. 0.07 + 0.0007 + 0.000007 + ...
Mathematics
Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 7 yd B. 9 yd C. 8 yd D. 10 yd
Mathematics
Use the right triangle shown and find the missing length. If necessary, round to three decimal places. 
c = 14, b = 3
A. 13.675 B. 3.317 C. 4.123 D. 14.318
Mathematics