1.

For the block diagram given in the following figure, the expression of C/R is:

A. G1G2G3/1-G2G1
B. G1G2/1-G1G2G3
C. G1G2G3/1-G1G2G3
D. G1G2/G3(1-G1G2)
Answer» B. G1G2/1-G1G2G3


Discussion

No Comment Found