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JAMB Physics 2007 Objective — Question 15

Question 15 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2007 Objective paper, with the correct answer and a full explanation.

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The instrument that measures both a.c and d.c is

  • A. an inverter
  • B. a current balance
  • C. a moving coil ammeter
  • D. a moving iron ammeterCorrect

Explanation

A moving iron ammeter, which works on the heating effect of current, can measure both AC and DC.

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