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GATE 2023 Control System Quiz 11

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Question 1

For the signal-flow graph shown in the figure, which one of the following expressions is equal to the transfer function ?

Question 2

The system sensitivity of transfer function of open loop and closed loop system with respect to forward gain are respectively

Question 3

Let Y(s) be the unit-step response of a causal system having a transfer function

that is,  The forced response of the system is

Question 4

The block diagram of a control system is shown in Fig. The transfer function G(s) = Y(s)/U(s) of the system is

Question 5

The sensitivity of the closed loop transfer function T with respect to H at ω = 1 rad/sec is _____.

Question 6

Find the overall transfer function of the control system whose signal flow graph is shown in figure below.

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