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JAMB Physics 1995 Question 46

Question 46

Current Electricity

Which of the following is required to convert a milliammeter to an ammeter?

  1. A.A high resistance in parallel
  2. B.A high resistance in series
  3. C.A low resistance in parallel
  4. D.A low resistance in series
Show the answer and explanation

Answer: C (A low resistance in parallel)

Explanation

A low resistance (shunt) in parallel carries most of the current, so the meter can measure larger currents.