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Important Questions and Answers for Class 7 Science Chapter 3 Electricity Circuits And Their Components 2025-26

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Electricity Circuits and Their Components Class 7 Worksheet with Answers for CBSE Preparation

Important Questions Class 7 Science Chapter 3 Electricity Circuits And Their Components help you focus on the main concepts for exams. This page brings you practice sets that follow the latest syllabus, featuring the keyword: electricity: circuits and their components class 7 question answer. All questions and answers are created to support easy learning and quick revision.


This chapter explains electric circuits, their parts, and how they work together. You will also find electricity circuits and their components class 7 worksheet and other useful resources to test your understanding. The content covers diagrams, MCQs, and case-based questions to match actual school test patterns.


Vedantu’s Important Questions with Answers make exam prep simple and clear for every Class 7 Science student. Use these questions to review key points, avoid mistakes, and learn how to write perfect answers. Download the free Important Questions PDF to start your revision now.


Electricity Circuits and Their Components Class 7 Worksheet with Answers for CBSE Preparation

1. Multiple choice questions.


Q1. Which of the following statements about an electric cell is correct?


  • (a) Both terminals are positive
  • (b) Both terminals are negative
  • (c) It has one positive and one negative terminal
  • (d) It has only one terminal

Answer: (c) It has one positive and one negative terminal


Q2. Which material will allow electric current to pass through and make the lamp in a simple circuit glow?


  • (a) Plastic scale
  • (b) Wooden stick
  • (c) Metal key
  • (d) Candle

Answer: (c) Metal key


Q3. What is the function of a switch in an electrical circuit?


  • (a) Produces light
  • (b) Stores current
  • (c) Completes or breaks the circuit
  • (d) Increases voltage

Answer: (c) Completes or breaks the circuit


Q4. In a torch using two electric cells, how should the cells be placed for the lamp to glow?


  • (a) Both positive terminals together
  • (b) Positive terminal of one to negative of the next
  • (c) Both negative terminals together
  • (d) Any direction

Answer: (b) Positive terminal of one to negative of the next


2. Very Short Answer (VSA).


Q1. What is an electric cell?


Answer: An electric cell is a portable source of electrical energy with a positive and a negative terminal.


Q2. Name the part of an incandescent lamp that glows when electric current passes.


Answer: The filament inside the glass bulb of an incandescent lamp glows when electric current passes through it.


Q3. What is the direction of electric current in a closed electrical circuit?


Answer: The direction of electric current is taken from the positive to the negative terminal of the electric cell.


Q4. Give one example of a conductor and one example of an insulator.


Answer: Example of a conductor: Metal key. Example of an insulator: Plastic scale.


Q5. Which terminal of an LED should be connected to the positive terminal of a battery?


Answer: The longer wire of the LED, which is the positive terminal, should be connected to the battery's positive terminal.


3. Short Answer Questions.


Q1. Why are electric wires covered with plastic or rubber?


Answer: Electric wires are covered with plastic or rubber because these materials are electrical insulators. They prevent accidental contact with the conductor inside and protect against electric shocks, keeping people safe while handling electric circuits and appliances.


Q2. How is an electrical circuit different from an open circuit?


Answer: An electrical circuit forms a complete path for current to flow and the lamp glows. In an open circuit, the path is incomplete (due to a gap or open switch), so current cannot flow and the lamp does not glow.


Q3. Explain the role of a switch in a simple electric circuit.


Answer: A switch acts as a device to complete (close) or break (open) the circuit. When switched ON, it allows current to flow; when OFF, it interrupts the current, thus controlling when the connected device operates.


Q4. What happens if the filament in an incandescent lamp is broken? Why?


Answer: If the filament is broken, the path for electric current is incomplete, and the lamp will not glow. The filament must be continuous for electricity to flow and produce light.


Q5. Why does an LED glow only in one direction when connected to a battery?


Answer: An LED allows electric current to pass through it in only one direction—from its positive terminal (longer wire) to its negative. If connected in the opposite way, no current passes through, and it will not glow.


4. True or False Questions.


Q1. Metals are generally good conductors of electricity.


Answer: True


Q2. A switch can only be placed at the beginning of a circuit.


Answer: False


Q3. Electric current flows from positive to negative terminal of the cell.


Answer: True


Q4. Incandescent lamps and LED lamps both have filaments inside them.


Answer: False


Q5. Rubber is an example of an insulator.


Answer: True


3. Fill in the Blanks Questions.


Q1. The ___ terminal of an electric cell is marked with a ‘+’ sign.


Answer: positive


Q2. The material through which electric current can flow easily is called a ___.


Answer: conductor


Q3. A device that can open or close a circuit is called a ___.


Answer: switch


Q4. An electric cell has two terminals: one ___ and one ___.


Answer: positive, negative


Q5. In an LED, the ___ wire is connected to the battery’s positive terminal.


Answer: longer


How Learning Electricity and Circuits Empowers Students

Exploring electricity: circuits and their components class 7 question answer builds scientific thinking. Students connect textbook theory to real-life by understanding how a simple lamp circuit works or why switches control devices at home.


Use our electricity circuits and their components class 7 worksheet and study notes to revise efficiently. Practising these topics makes exam preparation easier, especially for concept-based MCQ and case study questions common in exams.


This chapter enhances practical skills for daily life. Understanding conductors, insulators, and battery connections is essential for any science learner. Refer to electricity circuits and their components class 7 notes PDF and curiosity chapter 3 question answer for more insightful learning.


FAQs on Important Questions and Answers for Class 7 Science Chapter 3 Electricity Circuits And Their Components 2025-26

1. What types of important questions can be asked from Class 7 Science Chapter 3 Electricity Circuits and Their Components?

You can expect MCQs, short answer, long answer, and case-based questions based on this chapter. Usually, questions test your knowledge of circuit components, types of circuits, labeling diagrams, and practical uses. Make sure to practice electricity circuits and their components class 7 question answer formats.

2. How should I structure answers for electricity circuits and their components class 7 important questions to score well?

To score full marks, always start with a clear, direct statement. For multi-mark questions, use stepwise points:

  • Write definitions and explanations using textbook keywords.
  • Add neatly labeled diagrams if asked.
  • Mention uses or examples for practical clarity.

3. Where can I get a worksheet or PDF with important questions and answers for Chapter 3 Electricity Circuits?

Printable electricity circuits and their components class 7 worksheet and important questions PDF are available from trusted sources like Vedantu. These include exam-oriented questions with solutions, helpful for revision and practice before tests.

4. What are some frequently tested high-weightage topics in Chapter 3?

Gear up for exam questions on these high-weightage subtopics:

  • Parts of an electric circuit
  • Open and closed circuits
  • Practical uses of conductors and insulators
  • Drawing and labeling circuit diagrams
Focus revision on these areas first.

5. How should I practice diagrams for electricity circuits and their components questions?

Draw diagrams using clear symbols and sharp pencils. Practice labeling circuit components: cells, switches, wires, and bulbs. For 1 or 2 mark questions focusing on diagrams:

  • Keep labels neat and not overlapping lines.
  • Underline important parts if possible.

6. Are MCQs and case study questions also included in Chapter 3 important questions sets?

Yes, MCQs and case-based questions are common in Class 7 Science Chapter 3. Practice both, as MCQs test core concepts quickly, while case studies require applying your knowledge to real-life scenarios. Use both question types for complete exam preparation.

7. What common mistakes should I avoid when attempting important questions from this chapter?

Avoid missing keywords or drawing unlabeled diagrams. Don’t forget to:

  • Write concise, direct answers.
  • Highlight terms like conductor, insulator, circuit, switch.
  • Keep answers within the word limit.
These steps help maximize your score on important questions.