Q. A feedback amplifier has forward gains A1, A2 and feedback factor β as shown in signal flow graph of the given figure. Because of feedback as shown in signal noise ratio at output will

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Q. For the system in the given figure R(s) = 1/s . Then steady state error is

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Q. For the system shown in the given figure the time response to unit step input is

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Q. The polar plot in the given figure is for G(jω) =

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Q. The transfer function G(s) of a PID controller is

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Q. An RLC series circuit has following equation. If poles p1 and p1* are close to jω axis, then

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Q. Given figure shows a magnitude Bode plot. The transfer function for this plot is

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Q. Consider the following systems. (where C(s) is the output and R(s) is the input of these systems)

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Q. A compensator has its pole and zero as shown in the given figure

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Q. The Nyquist plot in the given figure is for G(s) H(s) =

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Q. For a following factor, the log

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Q. The given figure shows a hybrid servosystem. The components 1, 2, 3, 4 are respectively

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Q. For the signal flow graph of the given figure consider the following statements

1. It has three forward paths
2. It has three individual loops
3. It has two non touching loops

Out of above the correct statements are

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Q. For a second order system, the position of poles is shown in the given figure. This system is

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Q. The pole zero plot of the given figure is for

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Q. Consider the following expressions which indicate the step or impulse response of an initially relaxed system. Those which correspond to the step and impulse response of the same system include

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Q. The given figure shows a control system. The maximum value of gain for which the system is stable is

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Q. The log magnitude for the system in the given figure is (where T = RC)

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Q. In the signal flow graph of the given figure, the number of forward paths is

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Q. If block diagrams of the given figure (a) and (b) are to be equivalent, then

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