Electrical & Electronics Engineering – May 2012

Part – A

    1. The unit of capacitance is
    2. Define charge, current, potential and potential difference.
    3. What is color coding.
    4. BJT stands for
    5. Describe Ohms Law.
    6. What is power dissipation.
    7. Define transformer turns ratio.
    8. Define Magnetic flux.
    9. Draw the Truth Table of OR.
    10. Define modulation.

Part – B

Unit -I

    1. Find the amount of charge that can be separated by 1.5V, battery, if the energy produced by chemical reaction is 7.55.
    2. Describe about different types of Resistors.
    1. What is the difference between direct current and alternating current.
    2. Define Electric Power, Power Dissipation, Power Rating.

Unit -II

  1. With neat 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. Write a short notes on Lead Acid Wet Cell.
    2. Define average and r.m.s values of sinusoidal voltages.
  1. Describe the functioning of heat acid cell.

Unit -IV

    1. Define the terms
      1. Magnetism.
      2. Magnetic flux.
      3. Magnetic flux density.
      4. Self & Mutual Inductance.
    2. What are the features of electrolytic capacitors.
    1. Explain the working of transformer.
    2. What are the different types of capacitors.

Unit -V

  1. Draw and explain the working of BJT?
  2. Describe about different types of logic gates with necessary truth tables.

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.