Physics Chapter 1: Effects Of Electric Current Quiz

10 Questions | Total Attempts: 96

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Physics Chapter 1: Effects Of Electric Current Quiz


Questions and Answers
  • 1. 
    Which material is used for making filament?
    • A. 

      Copper

    • B. 

      Nichrome

    • C. 

      Tungsten

    • D. 

      Aluminium

  • 2. 
    What is the unit of Power?
    • A. 

      Joule

    • B. 

      Coulomb

    • C. 

      Ohm

    • D. 

      Watt

  • 3. 
    When two resistors are connected in series, effective resistance will...
    • A. 

      Increase

    • B. 

      Decrease

    • C. 

      Does not change

    • D. 

      Doubles

  • 4. 
    The part used for absorbing the heat produced in an LED bulb is...
    • A. 

      Diffuser cup

    • B. 

      Base unit

    • C. 

      Base plate

    • D. 

      Heat sink

  • 5. 
    Which is the material used for making fuse wire?
    • A. 

      Nickel and Chromium

    • B. 

      Tin and Lead

    • C. 

      Zinc and Mercury

    • D. 

      Tin and Carbon

  • 6. 
    There are three bulbs of 30 W, 60W, 100 W that are connected in series to a 230 V supply. Which bulb will glow with more brightness?
    • A. 

      30 W

    • B. 

      60 W

    • C. 

      100 W

    • D. 

      All of them

  • 7. 
    What is the lowest resistance which can be obtained by combining 10 resistors having resistance 1 ohm each?
    • A. 

      10 ohm

    • B. 

      1/40 ohm

    • C. 

      1/20 ohm

    • D. 

      1/10 ohm

  • 8. 
    Energy change in a storage battery while charging is ....
    • A. 

      Chemical energy to Mechanical energy

    • B. 

      Chemical energy to Electrical Energy

    • C. 

      Electrical energy to Chemical energy

    • D. 

      Electrical energy to Mechanical Energy

    • E. 

      Mechanical energy to Light energy

    • F. 

      Electrical energy to Heat energy

  • 9. 
    Nichrome is an alloy of...
    • A. 

      Nickel, Cobalt, Iron

    • B. 

      Nickel, Chromium, Iron

    • C. 

      Nickel, Copper, Iron

    • D. 

      Nickel, Chromium, Aluminium

  • 10. 
    Which of the following is not a discharge lamp?
    • A. 

      CFL

    • B. 

      Arc Lamp

    • C. 

      LED

    • D. 

      Sodium Vapour Lamp