WAEC Physics 2022 Objective — Question 20
Question 20 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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The magnetic material produced from the chemical combination of metal oxides and has a very high resistance to electric current is called a
- A. ferrite substanceCorrect
- B. paramagnetic substance
- C. ferromagnetic substance
- D. diamagnetic substance
Explanation
A ferrite is a magnetic material made from the chemical combination of metal oxides, and is characterized by high electrical resistance, unlike ferromagnetic metals.
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