problem 1:

Illustrate negative feedback and provide an illustration of its occurrence.

problem 2:

Sketch the signal flow graph and find out the transfer function using Mason’s gain formula for block diagram shown in figure.

problem 3:

With the facilitate of a diagram, describe the meaning of

• Transient response

• Steady state response.

problem 4:

Illustrate and draft the nature of the response of a 2nd order system when the damping ratio is zero.