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Electric current is measured by

  • A.Commutator
  • B.Anemometer
  • C.Ammeter
  • D.Voltmeter

Answer: C

Electric current is measured with an ammeter, connected in series with the circuit so the whole current passes through it.

Its resistance is made very low so that inserting it barely changes the current. A voltmeter, by contrast, has a very high resistance and is connected in parallel.

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