Electrical & Electronics Engineering – May 2011

Part – A

    1. The unit of capacitance is ______.
    2. What is current drain cell?
    3. Define charge, current, potential and potential difference.
    4. Moving coil meter is used to meaty ______.
    5. Define transformer turns ratio
    6. Rating of transformer is ______.
    7. Define magnetic flux.
    8. BJT stands for ______.
    9. Draw the truth table of AND.
    10. Define modulation.

Part – B

Unit -I

    1. Derive the formula for every.
    2. Find the amount of charge that can be separated by 1.5V, battery, if the energy produced by chemical reaction is 7.55.
    1. What is the difference between direct current and alternating current?
    2. Determine the power rating of a microwave oven, if it has a resistance of 36 Ω, the oven is attached to a 230 V power line.

Unit -II

  1. With heat diagram derive the necessary equations for KVL and KCL.
  2. Explain the principle and operation of a moving coil ammeter with a neat sketch.

Unit -III

    1. Define the terms
      1. Cycle
      2. Time period
      3. Frequency
      4. Phase difference
    2. Define average and r.m.s. values of sinusoidal voltages.
  1. Derive the functioning of heat acid bell.

Unit -IV

    1. What are the features of electrolytic capacitors?
    2. Write a short note on different types of capacitors.
    1. What are the different types of magnets?
    2. Explain working of a transformer.

Unit -V

  1. Draw and explain the working of FET.
  2. Using NAN and NOR gate realize ( x + y ) . ( z + y )

Attention : This exam questions are converted from the real exam paper to a digital text format by using an OCR Software that may made some mistakes, I reviewed it many times to correct it, But may still there some errors that I missed or misspelled, So if you detect an error or mistake PLEASE report by adding a comment or contact me.