Electrical & Electronics Engineering – November 2013

Part – A

    1. Mention different types of resistors.
    2. Define resistance of a circuit.
    3. A voltmeter should have ______ resistance.
    4. Explain the use of fuse in a circuit.
    5. The frequency of an ac waveform is 60Hz. What is the time period?
    6. Define phase angle.
    7. Define relative permeability.
    8. Define magnetic flux density.
    9. Define Semiconductor
    10. Draw the schematic representation of a JK-flip-flop.

Part – B

Unit -I

    1. Derive the formula for electric power.
    2. Determine the power rating of a microwave oven, if it has a resistance of 36Ω the oven is attached to a 230V power line.
    1. Define
      1. photoelectricity
      2. thermal emission
      3. Explain Ohm’s law.

Unit -II

  1. Explain voltmeter and loading effect of a voltmeter.
  2. Explain working of a meter shunts.

Unit -III

  1. Describe briefly the basic features of a voltage generator.
    1. Define:
      1. Primary cells
      2. Secondary cells
    2. Explain is detail series-parallel cells connections.

Unit -IV

    1. Define capacitance.
    2. Explain electrolytic capacitor.
  1. Explain working of a transformer.

Unit -V

  1. Draw and explain the characteristics of a NPN transistor.
    1. Explain JK flip-flop.
    2. What is an exclusive OR gate? Draw its symbol and truth table.

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.