Term 2 Electricity Model Question Paper

8th Standard EM

    Reg.No. :
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Science

Time : 00:45:00 Hrs
Total Marks : 29
    5 x 1 = 5
  1. When an ebonite rod is rubbed with fur, the charge acquired by the fur is

    (a)

    negative

    (b)

    positive

    (c)

    partly positive and partly negative

    (d)

    None of these

  2. The electrification of two different bodies on rubbing is because of the transfer of

    (a)

    neutrons

    (b)

    protons

    (c)

    electrons

    (d)

    protons and neutrons

  3. Which of the following a simple circuit must have?

    (a)

    Energy Source, Battery, Load

    (b)

    Energy Source, Wire, Load

    (c)

    Energy Source, Wire, Switch

    (d)

    Battery, Wire, Switch

  4. An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is

    (a)

    negative

    (b)

    positive

    (c)

    both positive and negative

    (d)

    None of the above

  5. Fuse is

    (a)

    a switch

    (b)

    a wire with low resistance

    (c)

    a wire with high resistance

    (d)

    a protective device for breaking an electric circuit

  6. 5 x 2 = 10
  7. How charges are produced by friction?

  8. What is earthing?

  9. What is electric circuit?

  10. What is electroplating?

  11. Give some uses of electroplating.

  12. 5 x 3 = 15
  13. Explain three ways of charge transfer.

  14. What is electroscope? Explain how it works?

  15. Explain series and parallel circuit.

  16. How lightning takes place?

  17. What is electroplating? Explain how it is done.

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