ISRO Electrical Engineering (EE) 2013 - Question 59

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The internal resistance of a voltmeter should be very high in order to have

  • A. High voltage range
  • B. Maximum current through the meter
  • C. Minimum current through the meter
  • D. More current from the voltage source

Answer: C. Minimum current through the meter

Explanation: High voltmeter resistance draws minimum current from the circuit, reducing loading error.

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