# 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
• d. Remote-controlled toy car

#### Which component of a torch provides electricity to the bulb?

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

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

• a. Alarm clock
• b. Wristwatch
• c. Television
• d. Camera
• 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
• a. Positive

#### How does an electric cell produce electricity?

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