Chapter-wise MCQ Questions

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Question-1. A bulb does not glow when a/an….................is used in the place of a switch.

  1. Iron nail
  2. Matchstick
  3. Aluminum
  4. copper
Answer-1

Question-2. ------------- is an energy which flows in an electric circuit.

  1. Electric circuit
  2. Electromagnet
  3. Electric current
  4. None of these.
Answer-2

Question-3. Which of the following pairs consist of a conductor and an insulator of electricity?

  1. Wood and wool
  2. Copper and steel
  3. Silver and gold
  4. Silver and rubber
Answer-3

Question-4. A bulb in a closed circuit at times may not glow. Which of the following is not a cause for not glowing of the bulb?

  1. Connecting wires are made of wool.
  2. Energy of the cell in the circuit is completely exhauste
  4. There may be a loose contact between the parts. (d) The bulb is not fuse(d)
Answer-4

Question-5. A combination of two or more electric cells is called

  1. Electric circuit
  2. Battery
  3. Terminals
  4. None of these
Answer-5

Question-6. A complete electric circuit is called….................electric circuit.

  1. open
  2. Closed
  3. Complete
  4. None of these
Answer-6

Question-7. A material which allows the electricity to pass through it is

  1. conductor
  2. Insulator
  3. Transistor
  4. None of these
Answer-7

Question-8. A material which does not allow the electricity to pass through it is

  1. Conductor
  2. Electric cell
  3. Insulator
  4. None of these.
Answer-8

Question-9. An electric bulb has…................terminals.

  1. 3
  2. 4
  3. 1
  4. 2
Answer-9

Question-10. An electric cell produces electricity from the…............stored inside it.

  1. Current
  2. Energy
  3. Chemicals
  4. Light
Answer-10

Question-11. Electric energy is produced from the…................within the cell.

  1. Chemicals
  2. Metals
  3. Terminals
  4. None of these
Answer-11

Question-12. Electrical wires and parts of electrical appliances are covered with

  1. Silver
  2. Copper
  3. Gold
  4. plastic
Answer-12

Question-13. In electric bells electric energy transform in to…...................energy.

  1. Mechanical energy
  2. Magnetic energy
  3. Sound energy
  4. Light energy
Answer-13

Question-14. In….............electrical energy is transformed in to mechanical energy.

  1. Transistor
  2. Mixer grinder
  3. Electromagnet
  4. Electric bell.
Answer-14

Question-15. Kerosene oil is an example of

  1. Conductors
  2. Insulators
  3. Electrolyte
  4. None of these
Answer-15

Question-16. Materials, which do not allow electricity to pass through them easily, are called…..........of electricity.

  1. Deflectors
  2. Insulators
  3. Conductors
  4. Absorbers
Answer-16

Question-17. Metals are…...........of electricity.

  1. Absorber
  2. Conductors
  3. Insulators
  4. Deflectors
Answer-17

Question-18. Non metals like…...........and….........are conductors of electricity.

  1. Wood and paper
  2. Graphite and gas carbon
  3. Glass and rubber
  4. None of theses
Answer-18

Question-19. Plastic, wood and Bakelite are some good…..........of electricity.

  1. Absorbers
  2. Conductors
  3. Insulators
  4. reflectors
Answer-19

Question-20. The base of an electric cell is its….............terminal.

  1. Positive terminal
  2. Negative terminal
  3. Negative and positive
  4. None of these
Answer-20

Question-21. The central…................of an electric cell is always positive.

  1. Circuit
  2. Chemical
  3. Terminal
  4. None of these
Answer-21

Question-22. The cylindrical container of electric cell is made of….............and acts as negative terminal.

  1. Copper
  2. Iron
  3. Zinc
  4. Silver
Answer-22

Question-23. The electric current in a closed circuit always flows from the….................terminal of the electric cell to the…..............terminal.

  1. Negative to positive
  2. Positive to negative
  3. Positive to positive
  4. None of these
Answer-23

Question-24. The path along which electric current flows is

  1. Switch
  2. Electric current
  3. Electric circuit
  4. Electric cell
Answer-24

Question-25. The second thick wire of the filament of an electric bulb is connected to a metal tip along the ____ side of the metal cover at the base of the bul

  2. Conducting (b) Insulating
  3. Short
  4. long
Answer-25

Question-26. The wire which carries away the current to the power house is called….............

  1. Earth wire
  2. Neutral wire
  3. Live wire
  4. None of these
Answer-26

Question-27. When the switch of an electric torch is in ON position electric current flows from the electric cell to the filament of an electric bulb due to which it gets ____ and the bulb ____.

  1. cooled, does not glow
  2. heated, does not glow
  3. heated, glows
  4. cooled, glows
Answer-27

Question-28. Which of the following is an insulator?

  1. Silver
  2. Iron
  3. Copper
  4. Rubber
Answer-28

Question-29. …................allow electric current to pass through them.

  1. Absorbers
  2. Insulators
  3. Conductors
  4. Deflectors
Answer-29

Question-30. A battery is

  1. a single cell
  2. a combination of cells in which cells are joined (+) to (-)
  3. a combination of cells in which cells are joined (+) to (+)
  4. None of these
Answer-30

Question-31. A bulb has

  1. two terminals and one filament
  2. two terminals and two filaments
  3. multiple terminals and single filament
  4. single terminal and single filament
Answer-31

Question-32. A substance which allows electricity to pass through it is called

  1. a conductor
  2. an insulator
  3. semiconductor
  4. superconductor
Answer-32

Question-33. An example of a conductor is

  1. tap water
  2. salt solution
  3. metal wire
  4. all of these
Answer-33

Question-34. Bulb glows only in

  1. closed circuit
  2. open circuit
  3. in both circuits
  4. open circuit if bulb is not fused
Answer-34

Question-35. Cell is a device which

  1. converts chemical energy into electrical energy
  2. electrical energy into light energy
  3. electrical energy into magnetic energy
  4. None of these
Answer-35

Question-36. Filament of a bulb is made up of

  1. aluminium
  2. chromium
  3. platinum
  4. tungsten
Answer-36

Question-37. How many terminals are there in a dry cell?

  1. One
  2. Two
  3. Three
  4. Four
Answer-37

Question-38. The tiny coiled metal wire present inside the bulb is called

  1. Element
  2. Conductor
  3. Filament
  4. None of these
Answer-38

Question-39. To prevent electric shocks, the metallic electrical wires are covered with

  1. paper
  2. cotton
  3. aluminium
  4. plastic
Answer-39

Question-40. Which is an example of an insulator

  1. bakelite
  2. aluminium
  3. tap water
  4. All of these
Answer-40

Question-41. Which one is a conductor?

  1. Wood
  2. Metal
  3. Paper
  4. Petrol
Answer-41

Question-42. Which one is a device which converts chemical energy in to electrical energy.

  1. Electrical bell
  2. Electric lift
  3. Electric cell
  4. Electric bulb
Answer-42

Question-43. Which one is an insulator.

  1. Metal
  2. acid
  3. Rubber
  4. Salt solution
Answer-43



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