cbse 6th Standard Science Electricity and Circuits Important Questions And Answers Study Material - QB365 Set A | QB365

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cbse 6th Standard Science Electricity and Circuits Important Questions And Answers Study Material - QB365 Set A

Published on: 24/10/2025

Question Set A

cbse 6th Standard Science Electricity and Circuits Important Questions And Answers Study Material - QB365

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Questions + Answers key

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Std: 6th Standard CBSE - Science

chapter: Electricity and Circuits - Important Questions And Answers

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Questions:

True or False

5 x 1 = 5

The filament of a bulb is made up of aluminium.

(a)

True

(b)

False

Plastic is a good conductor of electricity.

(a)

True

(b)

False

Electricity can pass through a thermocol.

(a)

True

(b)

False

A car battery contains many cells.

(a)

False

(b)

True

Instead of metal wires, a jute string can be used to make a circuit.

(a)

True

(b)

False

Generic 3

5 x 3 = 15

When the chemicals in the electric cell are used up, the electric cell stops producing electricity. The electric cell is then replaced with a new one. In case of rechargeable batteries (such) as the type used in mobile phones, cameras and inverters), they are used again and again. How?

Pallavi is preparing a torch in her house with her friend Radhika. But even completing the circuit bulb doesn't glow Radhika adviced her to check the correct sequence of cell used.
(a) State the values reflected by Radhika here.
(b) Explain what can be the reason for not glowing the bulb.

Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.

Would the bulb glow after completing the circuit shown in

if instead of safety pin, we use an eraser?

10.

Complete the drawing shown in the figure to indicate where the free ends of the two wires should be joined to make the bulb glow.

Generic 2

5 x 2 = 10

11.

Mention what type of materials can be used in electric circuit so that the current can pass through them.

12.

Give the name of that device that can produce electricity by chemical reactions.

13.

State the purpose of using of an electrical switch

14.

Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires instead she got two strips of aluminium foil. Will she succeed? Explain how.

15.

A fused bulb does not glow. Why?

Generic 5

2 x 5 = 10

16.

Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.

17.

A torch requires 3 cells. Show the arrangement of the cells with a diagram inside the torch so that the bulb glows.

Multiple Choice Question

5 x 1 = 5

18.

When a fused bulb is connected with a circuit, it

(a)

does not glow

(b)

glows

(c)

Both (a) and (b)

(d)

None of these

19.

Open circuit is called

(a)

switched ON

(b)

switched OFF

(c)

Both (a) and (b)

(d)

None of the above

20.

Our body is

(a)

a bad conductor of electricity

(b)

sometimes a good conductor and sometimes a bad conductor

(c)

a good conductor of electricity

(d)

None of the above

21.

Filament of a torch bulb is

(a)

a metal case

(b)

metal tip at the centre of the base

(c)

two thick wires

(d)

a thin wire

22.

Choose the incorrect statement.

(a)

A switch is the source of electric current in a circuit

(b)

A switch helps to complete or break the circuit

(c)

A switch helps us to use electricity as per our requirement

(d)

When the switch is open, there is an air gap between its terminals

Fill up / 1 Marks

5 x 1 = 5

23.

Paper is not a__________________ material.

24.

Electrical switches, plugs, sockets, etc., are made of _______________

25.

A power station provides us __________________

26.

The electric cell and bulb have__________________ terminals.

27.

Metals are_____________ of electricity.

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Answers Key:

True or False

5 x 1 = 5

(b)
False

(b)
False

(b)
False

(a)
False

(b)
False

Generic 3

5 x 3 = 15

A rechargeable battery has such chemicals which on after use can be restored by passing suitable current in the opposite direction to the rechargeable batteries, so it can be used again and again.

(a) Radhika has good concept of electrical circuit and its uses. She is also cooperative to her friend.
(b) There may be the incorrect sequence of cell that is used by her

An electrician should use rubber gloves while repairing an electric switch because rubber is an insulator that does not allow electric current to pass through it. Thus, it prevents his body to get electric shocks.
On the other hand, human body is a conductor of electricity, so it is necessary to prevent it from electric shocks.

Since, eraser is an insulator that means itis a bad conductor of electricity. So, conduction of electric current is not possible. Thus, if instead of safety pin, an eraser is used, bulb will not glow.

10.

To complete the circuit, we must join the one end of the wire with the free end of cell. The other end of wire must be connected with the bulb. Now, the bulb will glow.

Generic 2

5 x 2 = 10

11.

Materials used in the electric circuit should be good conductors of electricity that allow electricity to pass through them such as metals (aluminium, copper, iron, etc).

12.

The device that can produce electricity by chemical reaction is cell or battery.

13.

In order to close or open the electrical circuit, the electric switch is used.

14.

Yes, she will succeed because aluminium is a conductor of electricity, it will complete the electrical circuit and bulb will glow.

15.

A fused bulb does not glow because in a fused bulb, the filament of bulb burns up and connection is broken or incomplete, so the current cannot flow.

Generic 5

2 x 5 = 10

16.

This can be done by arranging the circuit as the given diagram.
One terminal should be connected to the terminal of the cell directly and other terminal can be connected using the given wire.