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Measurements & InstrumentationRange Extension

To extend the voltage range of a voltmeter movement, a high resistance is connected?

  • AIn series with the movement
  • BIn parallel with the movement
  • CAcross the current source only
  • DIn parallel with a short circuit
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Correct Answer: A. In series with the movement
Explanation: A series multiplier resistance limits current through the meter movement at higher applied voltages.
Reference: Standard measurements and instrumentation: range extension
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