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In order to convert a galvanometer into an ammeter

Physics
JAMB 1978

In order to convert a galvanometer into an ammeter

  • A. a low resistance shunt is connected in parallel
  • B. a low resistance shunt is connected in series
  • C. a medium resistance shunt is connected in series
  • D. a high resistance shunt is connected in parallel
  • E. a high resistance shunt is connected in series
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Correct Answer: Option A
Explanation

To convert a galvanometer into an ammeter, we need to modify it so it can measure higher currents without damage.

A galvanometer is a very sensitive device that can only pass a small current (called full-scale deflection current, Ig) safely. We connect a low resistance called shunt (S) in parallel with the galvanometer.

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