Home / EEE / Electronics and Instrumentation :: section-1

EEE :: Electronics and Instrumentation

  1. A voltmeter is connected in a ___________ with the circuit component across which potential difference is to be measured.

  2. A.

     Parallel

    B.

     Series

    C.

     Series or parallel

    D.

     None of the above


  3. The slewing speed of X-Y recorder is

  4. A.

     1.6 m/s

    B.

     1.3 m/s

    C.

     1.4 m/s

    D.

     1.5 m/s


  5. The resistance of LDR ____________ when exposed to radiant energy.

  6. A.

     Remains unaltered

    B.

     Increases

    C.

     Reaches maximum

    D.

     Decreases


  7. Fiber optic sensor can be used to sense ____________.

  8. A.

     Displacement

    B.

     Power

    C.

     Current

    D.

     Resistance


  9. Most commonly used indicator electrode is

  10. A.

     Calomel electrode

    B.

     Silver electrode

    C.

     Silver – Silver chloride electrode

    D.

     Glass electrode


  11. To reduce common mode interference during recording of bio signals one can use __________.

  12. A.

     Buffer amplifier

    B.

     Differential amplifier

    C.

     Single ended amplifier

    D.

     Chopper amplifier


  13. A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement?

  14. A.

     3 kΩ

    B.

     kΩ

    C.

     kΩ

    D.

     6 kΩ


  15. The size of air cored transducers in comparison to the iron core parts is

  16. A.

     Smaller

    B.

     Larger

    C.

     Same

    D.

     Unpredictable


  17. pH value of venous blood is

  18. A.

     7.30

    B.

     7.40

    C.

     7.35

    D.

     7.45


  19. The resolution limit of electron microscope is

  20. A.

     2 V

    B.

     1 A.V

    C.

     1.5 A.V

    D.

     1.2 A.V