Class 8
Science
Chapter 4
Curiosity (latest NCERT)
Electricity: Magnetic and Heating Effects
Free NCERT practice questions for Class 8 Science, Chapter 4 — 59 questions across MCQs, short-answer, long-answer and more. Download a printable PDF worksheet in seconds. No signup, no ads, no paywall.
Sample questions from this chapter
Here are 6 real questions students will encounter when they generate a worksheet for this chapter. Every question includes the answer.
MCQ
Medium
1 mark
The strength of an electromagnet can be increased by:
(a) Using a wooden core
(b) Using fewer cells
(c) Using more cells and more turns of wire
(d) Reducing the current
Answer: Using more cells (battery) and more turns of wire
Short Answer
Medium
3 marks
How can you show that electric current has a magnetic effect?
Answer: • Place a compass needle close to a wire.
• Pass current through the wire.
• The needle deflects, showing a magnetic field exists around the wire.
Fill in the Blank
Medium
1 mark
A cell produces current because of __________ reactions inside it.
Answer: chemical
Very Short
Easy
1 mark
What is the magnetic effect of electric current?
Answer: The production of a magnetic field around a conductor when current flows through it.
True / False
Medium
1 mark
State True or False: Dry cells are less portable compared to Voltaic cells.
Answer: False. Dry cells are MORE portable than Voltaic cells (Voltaic cells use liquid electrolyte and a container).
Long Answer
Hard
5 marks
Describe an experiment to show the magnetic effect of electric current.
Answer: • Take a wire connected to a cell through a switch.
• Place a magnetic compass close to and below the wire.
• Close the switch so current flows.
• The compass needle deflects, showing a magnetic field around the wire.
• Open the switch — the needle returns to normal.
• Reverse the battery — the needle deflects in the opposite direction.
• This proves current produces a magnetic field around the wire.
Generate a worksheet with all 59 questions →
Frequently asked questions
What is included in Class 8 Science Chapter 4 (Electricity: Magnetic and Heating Effects)?
This chapter has 59 NCERT-aligned practice questions covering all the concepts from the Curiosity textbook's Chapter 4. Questions span easy, medium and hard levels across 9 different formats so students get a balanced practice set.
Are these questions based on the new NCERT Curiosity textbook?
Yes. Every question on Practico for Class 8 Science is mapped directly to the latest NCERT Curiosity textbook (the one CBSE schools are using now). The chapter numbers and chapter titles match the textbook exactly.
How many questions can I practice from this chapter?
59 questions are available right now. You can pick how many you want at a time — generate 10 quick MCQs, a 30-question worksheet, or a full exam-style mix. Each generation gives you a different random set.
Can I download a free PDF worksheet for Electricity: Magnetic and Heating Effects?
Yes — completely free, no sign-up required. Pick this chapter, choose the number of questions and types you want, and download a printable PDF (with or without answers) in one click.
What question types are available?
This chapter has assertion reason, fill blank, image, long, match, mcq, short, true false, very short. You can mix any combination, or filter to just the type you want to practice — for example, only numericals to drill calculation, or only short-answer questions for exam revision.
Is Practico aligned with CBSE exam patterns?
Yes. Practico questions are tagged by marks (1, 2, 3, 5) and by difficulty (Easy/Medium/Hard) just like CBSE exam blueprints, so you can build a worksheet that mirrors a real unit test or annual exam.