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EEE :: Electrostatics

  1. The bridge used for the measurement of the value of the capacitance is

  2. A.

     Wien’s bridge

    B.

     Wheatstone bridge

    C.

     Schering bridge

    D.

     Hay’s bridge

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  3. is that property of a capacitor which delays any change of voltage across it.

  4. A.

     Inductance

    B.

     Capacitance

    C.

     Potential gradient

    D.

     None of the above

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  5. Which of the following capacitors preferred for high frequency circuits ?

  6. A.

     Air capacitor

    B.

     Electrolytic capacitor

    C.

     Mica capacitor

    D.

     none of the above

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  7. The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as

  8. A.

     Photoelectric effect

    B.

     Chemical effect

    C.

     Magnetic effect

    D.

     Induction

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  9. The lines of force due to charged particles are

  10. A.

     always straight

    B.

     always curved

    C.

     sometimes curved

    D.

     none of the above

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  11. While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

  12. A.

     Short-circuited

    B.

     Open circuited

    C.

     Alright

    D.

     Leaky

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  13. A capacitance is a circuit component that opposes the change in circuit

  14. A.

     current

    B.

     voltage

    C.

     impedance

    D.

     none of the above

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  15. In order to remove static electricity from machinery

  16. A.

     construct insulated cabins

    B.

     insulate the machinery

    C.

     ground the framework

    D.

     humidify the surroundings

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  17. Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ?

  18. A.

     50

    B.

     100

    C.

     150

    D.

     200

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  19. Which of the following material has least value of dielectric constant ?

  20. A.

     Ceramics

    B.

     Oil

    C.

     Glass

    D.

     Paper

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