Q2. What are the condition for producing sustained oscillations? Classify oscillations with respect to frequency range, principle involved, etc. It is possible to produce oscillations with RC networks in phase shift oscillator. Discuss in detail. (16)
Q2. List at least two factors that cause deterioration of the frequency response of a transistor amplifier. Explain how each factor affects the performance of the amplifier and the portion of the frequency range where it is effective. (16)
Q3. With reference to the provision of a shore electrical supply to a ship:
a) Sketch an arrangement for taking A.C. Shore supply and checks to be carried out prior taking shore connection? (8)
b) Describe the methods of safely connecting the arrangement sketched in (A) to the shore supply? (8)
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