Chapter-Chapter 3. Electric Circuits and Their Components Science Curiosity class 7 in english Medium CBSE Notes

Chapter 3: Electric Circuits and Their Components – Assignments

1 Mark Questions:

Q1. What is electric current?

Q2. What is an electric circuit?

Q3. What is a cell?

Q4. What is a battery?

Q5. What is a switch?

Q6. What is an open circuit?

Q7. What is a closed circuit?

Q8. What is a conductor?

Q9. What is an insulator?

Q10. What is an electric fuse?

2 Marks Questions:

Q1. Define electric current with an example.

Q2. What is an electric circuit? Explain with example.

Q3. Differentiate between open and closed circuits.

Q4. What is a switch? What is its function?

Q5. What is the difference between a cell and a battery?

Q6. What are conductors and insulators? Give examples.

Q7. What is the heating effect of electric current?

Q8. What is an electric fuse and why is it used?

Q9. What happens in a short circuit?

Q10. Write two safety precautions while using electricity.

3 Marks Questions:

Q1. Explain the components of an electric circuit.

Q2. Describe open and closed circuits with examples.

Q3. Explain the heating effect of electric current with uses.

Q4. Describe the working and importance of an electric fuse.

Q5. Differentiate between conductors and insulators.

Q6. Explain the dangers of short circuit and how to prevent it.

Q7. Describe safety measures while using electricity.

Q8. Explain how electric current flows in a circuit.

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