Electricity and Circuits MCQ Class 6 Science

Electricity and Circuits MCQ Science Class 6 Chapter 12

  1. Which tasks among these use electricity?

  • a. Washing of cloth by hands
  • b. Cooking using gas cylinder
  • c. Bicycle
  • d. Remote-controlled toy car
Answer
  • d. Remote-controlled toy car

Which component of a torch provides electricity to the bulb?

  • a. Switch
  • b. Cell
  • c. Plastic body
  • d. none
Answer
  • b. Cell

ELectic cells are used to give electricity in the following items except _ _ _ __.

  • a. Alarm clock
  • b. Wristwatch
  • c. Television
  • d. Camera
Answer
  • c. Television
Explanation
  • Television uses electricity present in the electric sockets.

The metal cap of a AA battery is:

  • a. Positive terminal
  • b. Negative terminal
  • c. Neutral terminal
  • d. Both a and b
Answer
  • a. Positive

How does an electric cell produce electricity?

  • a. Frictional energy of its components
  • b. Chemical energy
  • c. Hydroelectrical energy
  • d. None
Answer
  • b. Chemical energy

Which voltage is dangerous to us:

  • a. 12V volt DC
  • b. 240 volt AC
  • c. 240 volt DC
  • d. b and c both
Answer
  • d. b and c both
Explanation
  • The higher the voltage, the more dangerous is the electrocution.
  • DC of the same voltage is more dangerous than AC, as Alternating Current in AC gives a person more chance to get away from the electricity.

The coiled wire that emits light from a bulb is:

  • a. Transformer
  • b. Filament
  • c. Motor
  • d. Spring
Answer
  • b. Filament

The positive terminal of a battery is connected to the negative terminal by a wire. What will happen:

  • a. The wire will become hot
  • b. Energy in the cell will be consumed fast
  • c. Nothing will happen
  • d. a and b both
Answer
  • d. a and b both
Explanation
  • Here the energy of the cell will be consumed faster and this will make the wire hot.

The function of a common switch is:

  • a. On-off device
  • b. Light device
  • c. Heating device
  • d. None
Answer
  • a. On-off device

Which among these can not be used to make a common switch?

  • a. Copper wire
  • b. Alpin
  • c. Coin
  • d. Pencil
Answer
  • d. Pencil

Separate out the insulators from the list

Coin, pen, copy, iron nail, steel glass, water, rubber gloves

  • a. Pen, copy, Steel glass
  • b. Coin, pen, water
  • c. Copy, pen, rubber gloves
  • d. Water, copy, pen
Answer
  • c. Copy, pen
Electricity and Circuits MCQ

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