Get the complete solved exercise of Chapter 8 Magnetism from 9th Class Physics for Punjab Board students. Detailed answers, explanations, and tips to help you understand magnetism concepts 8.1 Which one of the following is not a magnetic material? Options:(a) Cobalt(b) Iron(c) Aluminium(d) Nickel Answer: (c) Aluminium Explanation:Cobalt, iron, and nickel are ferromagnetic materials, meaning … Continue reading Solved Exercise of Chapter 8 Magnetism – 9th Class Physics