The resistance associated with the 1-mW power level is ________ , chosen because it is the characteristic impedance of audio transmission lines.

The resistance associated with the 1-mW power level is ________ , chos

1.	The resistance associated with the 1-mW power level is ________ , chosen because it is the characteristic impedance of audio transmission lines.
A.	100
B.	250
C.	400
D.	600
Answer» E.