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EEE :: Electronics and Instrumentation

  1. Silver chloride electrode is used as a reference electrode due to its

  2. A.

     Large half cell potential

    B.

     Stable half cell potential

    C.

     Stable resting potential

    D.

     Stable action potential

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  3. In X-Y recorders, the self balancing potentiometers plot emf as a function of

  4. A.

     Another emf

    B.

     Frequency

    C.

     Time

    D.

     Pressure

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  5. In strip chart recorders, the self balancing potentiometers plot emf as a function of

  6. A.

     Another emf

    B.

     Frequency

    C.

     Time

    D.

     Pressure

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  7. When an ammeter is inserted in the circuit, the circuit current will ___________.

  8. A.

     Increase

    B.

     Decrease

    C.

     Remain the same

    D.

     None of the above

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  9. Stress and strain curves are plotted using

  10. A.

     Magnetic tape recording

    B.

     X-Y recording

    C.

     Galvanometric

    D.

     PMMC writing systems

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  11. A recorder is said to have good frequency response when the sensitivity of the system is _________ for all frequencies present in the signal.

  12. A.

     Unity

    B.

     Zero

    C.

     Infinity

    D.

     Constant

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  13. An inverse transducer is a device which converts

  14. A.

     An electrical quantity into a non electrical quantity

    B.

     Electrical quantity into mechanical quantity

    C.

     Electrical energy into thermal energy

    D.

     Electrical energy into light energy

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  15. The materil used to coat inside the face of CRT is ___________.

  16. A.

     Carbon

    B.

     Sulphur

    C.

     Silicon

    D.

     Phosphorous

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  17. Feedback in an amplifier always helps in

  18. A.

     Increasing its input impedance

    B.

     Increasing its gain

    C.

     Controlling its output

    D.

     Stabilizes its gain

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  19. The capacitance microphone is used for the detection of

  20. A.

     Heart rate

    B.

     Blood flow

    C.

     Heart sound

    D.

     Foot pressure

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