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Control system miscellaneous

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Control System

Control system miscellaneous
  1. The transfer function C/R of the system shown in the figure is
    1. G1 G2 H2
      H1 (1 + G1 G2 H2)
    2. G1 H2
      H1 (1 + G1 G2 H2)
    3. G2 H2
      H1 (1 + G1 G2 H1)
    4. G2 H1
      H2 (1 + G1 G2 H2)
Correct Option: B

It is a very simple block diagram and simply by inspection we see that

C(s)
 =
1
H2G1
R(s)H1(1 + H2G1G2)


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