WAEC Physics 2021 Theory — Question 34

Question 34 of 35 from the West African Examinations Council (WAEC) Physics 2021 Theory paper, with the correct answer and a full explanation.

Practical 2(b)(i). State two factors on which the sensitivity of a moving-coil galvanometer depends.

Model answer

The sensitivity of a moving-coil galvanometer depends on: (1) the strength of the magnetic field (B) of the permanent magnet, and (2) the number of turns of the coil.

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