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Post-UTME Physics 2019 Objective — Question 19

Question 19 of 20 from the Post-UTME Screening (Post-UTME) Physics 2019 Objective paper, with the correct answer and a full explanation.

The rheostat can be used as

A. a sonometer
B. a source of current
C. a potential dividerCorrect
D. an ammeter

Explanation

A rheostat, connected appropriately, can function as a potential divider.

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