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WAEC Physics 2017 Objective — Question 41

Question 41 of 50 from the West African Examinations Council (WAEC) Physics 2017 Objective paper, with the correct answer and a full explanation.

Which of the following factors will increase the sensitivity of a moving coil meter?

A. A. A Strong spring
B. B. Low number of turns
C. C. Small area of oil
D. D. Soft iron coreCorrect

Explanation

Soft iron core increases the sensitivity of a moving coil meter.

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