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A three and a half digit voltmeter on its 200 V range has a resolution of

  • A.0.2 V
  • B.0.1 V
  • C.1 V
  • D.0.01 V

Answer: B

The count runs to 2000, so the range of two hundred volts is divided into two thousand parts of a tenth of a volt. The display would read from 0.0 to 199.9 volts, which is why such a range is described as the 200 V range rather than the 199.9 V range.

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