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Discussion

Which of the following voltmeters would you use for measuring voltage across 20 kΩ resistance?

  • A.Voltmeter having a resistance of 5 kΩ
  • B.Voltmeter having a sensitivity of 1 kW/V
  • C.Voltmeter having sensitivity of 10 kW/V
  • D.None of the above

Answer: C

Resistance of voltmeter should be very high as compared to 20 kΩ.

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