Which of the following instruments can be used to measure current in an a.c circuit?

Physics

JAMB 2016

A. Hot wire ammeter
B. Moving coil ammeter
C. Tangent galvanometer
D. Moving coil galvanometer

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Correct Answer: Option A

Explanation

A hot wire ammeter measures current by detecting the heating effect produced when current passes through a thin wire, with the amount of heat generated being directly proportional to the current flow.

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Which of the following instruments can be used to measure current in an a.c circuit?

Correct Answer: Option A

Explanation

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