NCERT Class 6 Science Chapter 12 Electricity and Circuit MCQ

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

A. Iron nail

B. Matchstick

C. Aluminum

D. copper

2. Cell is a device which

A. converts chemical energy into electrical energy

B. electrical energy into light energy

C. electrical energy into magnetic energy

D. None of these

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

A. Wood and wool

B. Copper and steel

C. Silver and gold

D. Silver and rubber

4. Combination of two or more cells in series is called

A. Dynamo

B. Battery

C. Insulator

D. Transistor

5. A bulb has

A. two terminals and one filament

B. two terminals and two filaments

C. multiple terminals and single filament

D. single terminal and single filament

6. Plastic, wood and Bakelite are some good ____ of electricity.

A. Absorbers

B. Conductors

C. Insulators

D. reflectors

7. The material present inside the bulb that glows on heating is called

A. cell

B. switch

C. filament

D. thick wire

8. Filament of a bulb is made up of

A. aluminum

B. chromium

C. platinum

D. tungsten

9. Electrical wires and parts of electrical appliances are covered with ____

A. Silver

B. Copper

C. Gold

D. plastic

10. From where is electricity supplied to our homes?

A. Cell

B. Circuits

C. Candle

D. Power station

11. Bulb glows only in

A. closed circuit

B. open circuit

C. in both circuits

D. open circuit if bulb is not fused

12. Materials, which do not allow electricity to pass through them easily, are called ____ of electricity.

A. Deflectors

B. Insulators

C. Conductors

D. Absorbers

13. A bulb has

A. two terminals and one filament

B. two terminals and two filaments

C. multiple terminals and single filament

D. single terminal and single filament

14. A battery is

A. a single cell

B. a combination of cells in which cells are joined (+) to (-)

C. a combination of cells in which cells are joined (+) to (+)

D. None of these

15. ____ allow electric current to pass through them.

A. Absorbers

B. Insulators

C. Conductors

D. Deflectors

16. __________is a conductor.

A. Wood

B. Metal

C. Paper

D. Petrol

17. A substance which allows electricity to pass through it is called

A. a conductor

B. an insulator

C. semiconductor

D. superconductor

18. Which of the following is an insulator?

A. Silver

B. Iron

C. Copper

D. Rubber

19. Which of these is a conductor?

A. Rubber

B. Mica

C. Copper

D. Wood

20. Which is an example of an insulator

A. bakelite

B. aluminum

C. tap water

D. All of these

21. Metals are ____ of electricity.

A. Absorber

B. Conductors

C. Insulators

D. Deflectors

22. A device which supplies light without the use of electricity ?

A. Electric torch

B. Candle

C. Electric rod

D. Electric bell

23. An example of a conductor is

A. tap water

B. salt solution

C. metal wire

D. all of these

24. 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 ____.

A. ooled, does not glow

B. heated, does not glow

C. heated, glow

D. cooled, glows

25. Filament of a bulb is made up of

A. aluminum

B. chromium

C. platinum

D. tungsten

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26. How many terminals are there in a dry cell?

A. One

B. Two

C. Three

D. Four

27. 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 bulb.

A. Conducting

B. Insulating

C. Short

D. long

28. _ is an electric device that easily closes or opens an electric circuit.

A. Filament

B. Electric bulb

C. Electric switch

D. Electric cell

29. To prevent electric shocks, the metallic electrical wires are covered with

A. paper

B. cotton

C. aluminum

D. plastic

30. 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?

A. Connecting wires are made of wool

B. Energy of the cell in the circuit is completely exhausted.

C. There may be a loose contact between the parts

D. The bulb is not fused.

31. Our body is

A. a good conductor of electricity

B. sometimes good and sometimes bad conductor

C. bad conductor of electricity

D. none of these

32. An electric cell produces electricity from the _____ stored inside it.

A. Current

B. Energy

C. Chemicals

D. Light

33. What are the three sources of electricity other than power station ?

A. Torch

B. Generator

C. Inverter

D. All of these

34. Which of the following is bad conductor of electric current?

A. Graphite

B. Nichrome

C. Diamond

D. Iron

35. Combination of two or more cells is called

A. battery

B. cell

C. bulb

D. circuit

36. What supplies electricity to the torch bulb ?

A. Switch

B. Glass

C. Wire

D. Electric cells

37. Which one of the following will allow electric current to pass through?

A. Eraser

B. Matchstick

C. Plastic comb

D. Iron Nail

38. Rubber is

A. a semiconductor

B. a conductor

C. an insulator

D. None of these

39. Name a device which use electric cell as a source of electricity.

A. T.V

B. Candle

C. Camera

D. All of above