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EEE :: Electrostatics

  1. One volt is the same as

  2. A.

     one joule/coulomb

    B.

     one coulomb/joule

    C.

     one coulomb

    D.

     one joule

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  3. _______ field is associated with the capacitor.

  4. A.

     Electric

    B.

     Magnetic

    C.

     Both (A) and (B)

    D.

     None of the above

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  5. Acharge which when placed in vacuum from an equal and similar charge repels with a force of 9 x 10 N, is known as

  6. A.

     milli-coulomb

    B.

     micro-coulomb

    C.

     pico-coulomb

    D.

     coulomb

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  7. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is

  8. A.

     0.024 F

    B.

     0.12 F

    C.

     0.6 F

    D.

     0.8 F

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  9. In a capacitive circuit

  10. A.

     a steady value of applied voltage causes discharge

    B.

     an increase in applied voltage makes a capacitor charge

    C.

     decrease in applied voltage makes a capacitor charge

    D.

     none of the above

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  11. Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is

  12. A.

     0.56 x 1015 m/s2

    B.

     1.5 x 1015 m/s2

    C.

     1.6 x 1015 m/s2

    D.

     1.76 x 1015 m/s2

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  13. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?

  14. A.

     50 pF

    B.

     100 pF

    C.

     150 pF

    D.

     200 pF

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  15. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

  16. A.

     Paper capacitor

    B.

     Ceramic capacitor

    C.

     Electrolytic capacitor

    D.

     Any-of the above

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  17. Air capacitors are generally available in the range

  18. A.

     10 to 400 pF

    B.

     1 to 20 pF

    C.

     100 to 900 pF

    D.

     20 to 100 pF

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  19. An electrolytic capacitor is generally made to provide

  20. A.

     low capacitance

    B.

     fixed capacitance

    C.

     variable capacitance

    D.

     large value of capacitance

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