JAMB Physics 2014 Objective — Question 42

Question 42 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2014 Objective paper, with the correct answer and a full explanation.

Use the diagram (input-output transformer coil). The diagram above is that of

A. a step-up transformerCorrect
B. a step-down transformer
C. an auto transformer
D. an oil transformer

Explanation

Since the number of turns in the secondary coil is greater than that in the primary coil, it is a step-up transformer.

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