Post-UTME Physics 2019 Objective — Question 18
Question 18 of 20 from the Post-UTME Screening (Post-UTME) Physics 2019 Objective paper, with the correct answer and a full explanation.
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The armature of an electric bell is normally made of
- A. steel
- B. aluminum
- C. brass
- D. soft ironCorrect
Explanation
The armature of an electric bell is made of soft iron, which is easily magnetised and demagnetised.
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