# NCERT solutions for Science Exemplar Class 6 chapter 12 - Electricity and Circuits [Latest edition]

## Chapter 12: Electricity and Circuits

Multiple Choice Questions [Pages 72 - 74]

### NCERT solutions for Science Exemplar Class 6 Chapter 12 Electricity and Circuits Multiple Choice Questions [Pages 72 - 74]

Multiple Choice Questions | Q 1. | Page 72

Choose from the options a, b, c and d given in Fig. 12.1 the figure which shows the correct direction of current.

Multiple Choice Questions | Q 2. | Page 72

Choose the incorrect statement.

• A switch is the source of electric current in a circuit.

• A switch help to complete or break the circuit.

• A switch helps us to use electricity as per our requirement.

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

Multiple Choice Questions | Q 3. | Page 73

In an electric bulb, light is produced due to the glowing of

• the glass case of the bulb.

• the thin filament.

• the thick wires supporting the filament.

• gases inside glass case of the bulb.

Multiple Choice Questions | Q 4. | Page 73

In the following arrangement shown in Fig. 12.2, the bulb will not glow if the ends A and B are connected with

• A steel spoon

• A metal clip

• A plastic clip

• A copper wire

Multiple Choice Questions | Q 5. | Page 73

In the circuit shown in Fig. 12.3, when the switch is moved to ‘ON’ position,

• the bulb A will glow first.

• the bulb B will glow first.

• the bulb C will glow first.

• all bulbs will glow together

Multiple Choice Questions | Q 6. | Page 74

Filament of a torch bulb is

• a metal case.

• metal tip at the centre of the base.

• two thick wires

• a thin wire

Multiple Choice Questions | Q 7. | Page 74

Paheli is running short of connecting wires. To complete an electric circuit, she may use a

• glass bangle.

• rubber pipe.

• steel spoon.

Very Short Answer Questions [Pages 74 - 75]

### NCERT solutions for Science Exemplar Class 6 Chapter 12 Electricity and Circuits Very Short Answer Questions [Pages 74 - 75]

Very Short Answer Questions | Q 8. | Page 74

In which of the following circuits A, B, and C gave in Fig. 12.4, the cell will be used up very rapidly?

Very Short Answer Questions | Q 9. | Page 75

Fig. 12.5 shows a bulb with its different parts marked as 1, 2, 3, 4, and 5. Which of them labels the terminals of the bulb?

Short Answer Questions [Pages 75 - 77]

### NCERT solutions for Science Exemplar Class 6 Chapter 12 Electricity and Circuits Short Answer Questions [Pages 75 - 77]

Short Answer Questions | Q 10. | Page 75

You are provided with a bulb, a cell, a switch and some connecting wires. Draw a diagram to show the connections between them to make the bulb glow.

Short Answer Questions | Q 11, | Page 75

Will the bulb glow in the circuit shown in Fig. 12.6? Explain.

Short Answer Questions | Q 12. | Page 75

An electric bulb is connected to a cell through a switch as shown in Fig. 12.7. When the switch is brought in the ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.

Short Answer Questions | Q 13. | Page 76

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

Short Answer Questions | Q 14. | Page 76

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, camera and inverters), they are used again and again. How?

Short Answer Questions | Q 15. | Page 76

Paheli connected two bulbs to a cell as shown in Fig. 12.8.

She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.

Short Answer Questions | Q 16. | Page 76

Why do bulbs have two terminals?

Short Answer Questions | Q 17. | Page 76

Which of the following arrangement A, B, C, and D gave in Fig. 12.9 should not be set up? Explain, why.

Short Answer Questions | Q 18. | Page 77

A fused bulb does not glow. Why?

Short Answer Questions | Q 19. | Page 77

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?

Long Answer Questions [Pages 77 - 78]

### NCERT solutions for Science Exemplar Class 6 Chapter 12 Electricity and Circuits Long Answer Questions [Pages 77 - 78]

Long Answer Questions | Q 20. | Page 77

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.

Long Answer Questions | Q 21. (i) | Page 77

Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.

What will be the direction of the current through the bulb in both the cases. (Q to P or P to Q)

Long Answer Questions | Q 21. (ii) | Page 77

Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.

Will the bulb glow in both the cases?

Long Answer Questions | Q 21. (iii) | Page 77

Fig. 12.10 A and B, show a bulb connected to a cell in two different ways.

Does the brightness of the glowing bulb depend on the direction of current through it?

Long Answer Questions | Q 22. | Page 78

Think of six activities that use electric current. Also, name the devices used to perform the activity.

 Example: Activity you perform Device Get light Torch
Long Answer Questions | Q 23. | Page 78

A torch is not functioning, though contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.

## NCERT solutions for Science Exemplar Class 6 chapter 12 - Electricity and Circuits

NCERT solutions for Science Exemplar Class 6 chapter 12 (Electricity and Circuits) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Science Exemplar Class 6 solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Science Exemplar Class 6 chapter 12 Electricity and Circuits are Electricity, Electric Cell, A Bulb Connected to an Electric Cell, Electric Circuit, Electric Switch, Conductors and Insulators.

Using NCERT Class 6 solutions Electricity and Circuits exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 6 prefer NCERT Textbook Solutions to score more in exam.

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