Meters and troubleshootingQuestion 316 of 1506

What resistance does a voltmeter have between its probes?

  1. Close to zero
  2. About 100 Ω
  3. Equal to the circuit resistance
  4. Many megohms
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Correct answer: Many megohms

A high resistance keeps the meter from drawing noticeable current from the circuit.

Source: Troubleshooting Motors and Controls (Dickson-Self), 1.3: Meter Usage

Practice meters and troubleshooting

Questions last reviewed: 18 October 2026