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Which of the following measuring instruments operates based on the heating effect of electric current?

Physics
JAMB 2024

Which of the following measuring instruments operates based on the heating effect of electric current?

  • A. moving iron ammeter
  • B. hot wire ammeter
  • C. galvanometer
  • D. electric heater
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Correct Answer: Option B
Explanation

Hot wire ammeters measure current by detecting the heat produced in a wire due to the electric current flowing through it.

There is an explanation video available below.


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Explanation Video

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