Class 8 Science Chapter 4: Electricity: Magnetic and Heating Effects — Important Questions & Mock Tests
Practice Electricity: Magnetic and Heating Effects topic-wise important questions, MCQs and 1, 2, 3 and 5 mark questions for CBSE revision.
300 Questions 20 Topics MCQs: 100 1 Mark: 50 2 Mark: 50 3 Mark: 50 5 Mark: 50
Topic-wise important and practice questions
Review question distribution across chapter topics for MCQs, 1 Mark questions, 2 Mark questions, 3 Mark questions, 5 Mark questions.
| Topic | MCQ | 1 Mark | 2 Mark | 3 Mark | 5 Mark | Total |
|---|---|---|---|---|---|---|
| Magnetic Effect of Electric Current | 5 | 10 | 5 | 5 | 5 | 30 |
| Battery Disposal and E-Waste | 5 | 5 | 5 | 5 | 5 | 25 |
| Nichrome as a Heating Element | 5 | 10 | 0 | 5 | 5 | 25 |
| Rechargeable Batteries | 5 | 5 | 5 | 5 | 5 | 25 |
| Electromagnetism in a Coil | 5 | 0 | 5 | 5 | 5 | 20 |
| Lemon Cell | 5 | 5 | 5 | 5 | 0 | 20 |
| Strengthening an Electromagnet | 5 | 5 | 0 | 5 | 5 | 20 |
| Uses of Electromagnets | 5 | 5 | 5 | 5 | 0 | 20 |
| Dry Cells | 5 | 0 | 0 | 5 | 5 | 15 |
| Heating Effect of Electric Current | 5 | 0 | 5 | 0 | 5 | 15 |
| Reversal of Electromagnet Poles | 5 | 0 | 5 | 5 | 0 | 15 |
| Voltaic Cell | 5 | 0 | 5 | 0 | 5 | 15 |
| Effect of Number of Coil Turns | 5 | 0 | 5 | 0 | 0 | 10 |
| Electrolyte | 5 | 5 | 0 | 0 | 0 | 10 |
| Oersted's Discovery | 5 | 0 | 0 | 0 | 5 | 10 |
| Appliances Using the Heating Effect | 5 | 0 | 0 | 0 | 0 | 5 |
| Factors Affecting Electric Heating | 5 | 0 | 0 | 0 | 0 | 5 |
| Factors Affecting Electromagnet Strength | 5 | 0 | 0 | 0 | 0 | 5 |
| Magnetic Field | 5 | 0 | 0 | 0 | 0 | 5 |
| Magnetic Materials | 5 | 0 | 0 | 0 | 0 | 5 |