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Electronics and Communication Measurement And Instrumentation Difficulty: Medium

Consider the following statements regarding feedback compensation of control system: 1. A faster response can be achieved by the use of parallel compensation. 2. The environmental conditions in which the feedback control system is to be utilized affect the stability of the controlled quantity. 3. The degree of accuracy and the stability of a control system can be improved by the use of a cascade compensator. Which of the above statements are correct? The Fourier transform of a signal h(t) is $$H\left( {j\omega } \right) = {{\left( {2\cos \omega } \right)\left( {\sin \omega } \right)} \over \omega }$$ The value of h(0) is The maximum number of trees of the graph in figure is Resolution of an instrument is Consider the following statements for signal flow graph: 1. It represents linear as well as non-linear systems. 2. It is not unique for a given system. Which of the above statements is/are correct?