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Class 10 Physics · Chapter 6 · Test 2

Test 2: Applications, Coulomb’s Law, Electric Field and Breakdown

MCQs

31 questions · 25 min · 31 marks

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Sample questions

The first 5 of 31. Try each one, then tap to see the answer.

  1. Question 1

    Electrical breakdown is:

    • Athe process of ionizing a gas due to a strong electric field
    • Bthe process of neutralizing a charged object
    • Cthe process of charging an insulator
    • Dthe process of discharging a conductor
    Show answer

    Answer: A

    Electrical breakdown occurs when a strong electric field passes through a gas, causing its atoms to ionize.

  2. Question 2

    Which of the following is a visible example of electrical breakdown?

    • ACorona discharge
    • BElectric current
    • CMagnetic field
    • DElectric potential
    Show answer

    Answer: A

    Corona discharge and Lichtenberg figures are visible examples of electrical breakdown.

  3. Question 3

    The photocopier works on a process called:

    • Axerography
    • Belectrolysis
    • Cfusion
    • Dfission
    Show answer

    Answer: A

    A photocopier works on a process called xerography.

  4. Question 4

    The word xerography is derived from Greek words meaning:

    • Awet writing
    • Bdry writing
    • Cfast writing
    • Dlight writing
    Show answer

    Answer: B

    'xeros' (dry) and 'graphos' (writing) mean 'dry writing'.

  5. Question 5

    The rotating drum of a photocopier is composed of aluminium coated with a layer of:

    • Acopper
    • Bsilver
    • Cselenium
    • Dzinc
    Show answer

    Answer: C

    The drum is aluminium coated with selenium.

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