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EEE :: Electronics and Instrumentation

  1. In a graded index fiber, the total reflected light takes a ___________.

  2. A.

     Straight line path

    B.

     Parabolic path

    C.

     Elliptical path

    D.

     Circular path

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  3. The CMRR of a typical IC OPAMP is

  4. A.

     70 dB

    B.

     80 dB

    C.

     85 dB

    D.

     75 dB

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  5. In PMMC writing system, the magnitude of pen deflection is proportional to
    S1: Current flowing through the coil
    S2: Voltage in the coil

  6. A.

     S1 is true & S2 is false

    B.

     S2 is true & S1 is false

    C.

     Both S1 & S2 are true

    D.

     Both S1 & S2 are false

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  7. The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.

  8. A.

     Sinusoidal wave

    B.

     Cosine wave

    C.

     Sawtooth wave

    D.

     None of the above

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  9. The outstanding characteristics of a D.C. amplifier is its

  10. A.

     Ability to amplify Dc and low frequency signals

    B.

     Temperature stability

    C.

     Utmost economy

    D.

     Avoidance of frequency sensitive components

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  11. Capacitive transducers are normally employed for___________ measurements.

  12. A.

     Static

    B.

     Dynamic

    C.

     Transient

    D.

     Both static and dynamic

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  13. Self generating type transducers are ___________ transducers.

  14. A.

     Active

    B.

     Passive

    C.

     Secondary

    D.

     Inverse

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  15. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ___________ transducer.

  16. A.

     Active

    B.

     Analog

    C.

     Digital

    D.

     Pulse

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  17. An ammeter should have ___________ resistance.

  18. A.

     Infinite

    B.

     Very large

    C.

     Very low

    D.

     None of the above

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  19. A voltmeter should have ___________ resistance.

  20. A.

     Zero

    B.

     Very high

    C.

     Very low

    D.

     None of the above

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