Question: In the signal flow graph of a closed loop system shown below, (T_{D}) represents the disturbance in the forward path. The effect of the disturbance

In the signal flow graph of a closed loop system shown below, \(T_{D}\) represents the disturbance in the forward path.

R(s) o 1 G(s) To(s) 1 H(s) G(s) 1 -O C(s)

The effect of the disturbance can be reduced by
(a) increasing \(\mathrm{G}_{2}(\mathrm{~s})\)
(b) decreasing \(\mathrm{G}_{2}(s)\)
(c) increasing \(\mathrm{G}_{1}(\mathrm{~s})\)
(d) decreasing \(\mathrm{G}_{1}(s)\)

R(s) o 1 G(s) To(s) 1 H(s) G(s) 1 -O C(s)

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