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For the system shown below the gain, G, of block A is variable and can be set as low as 100 and as high as 500. The only problem with block A is that its gain fluctuates with high percentage 30%. For example if you set the gain to 100 then at sometimes the gain will fluctuate between 130 and 70. So if the input is 2 then the output could be as low as 140 and as high as 260. Your task is to connect a feedback to block A and set the gain G to a value such that the output will be 100 time the input with fluctuation that does not exceed 1%. For example if the input is 3 then the output should be between 297 and 301 (99*3 and 101*3). In your solution to this problem show the mathematical expression that relate Y to X in terms of G and the feedback block H. Also show the values of G, H, and the connection of the feedback block H to G.
Find the carrier distribution function in the impurity level that accounts for the spin degeneracy of the impurity states.
A long, straight, current-carrying wire carries a current from west to east. A compass is held above the wire. a. Which direction does the north pole of the compass point? S
examples of unlike parallel forces
A converging thin lens has a focal length of 27 centimetres. An object is placed 9 centimetres from the lens. Where is the image of this object formed? Ans: The images of g
Starting from Maxwell's e-m equation, get the wave equation for E in an ionized medium. Identify the dissipative terms in the equation.
Car travelling 60 km per hour Overtakes another car travelling at 42km per hour. Asuming each car to be 5metre long . Find totoal time taken during the Overtake. and road distance.
Assume that the column is a homogeneous circular cylinder with small cross sections loaded by its own weight. The free end of the column will bend away when its height exceeds a ce
Determine the weight of a body. Principle: When a spring is fixed at one end and a force is applied to the other end the stretching of the spring is proportional to the applie
A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0° downriver by heading directly across the river. a. What shoul
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