Physics · Electrical Measuring Instruments
To measure current in an electrical circuit safely using a clamp-on ammeter (tong tester), you must do which of the following?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Connect the meter in series by cutting the conductor
- 2Connect the leads in parallel across the power source
- 3Clamp the jaws of the meter completely around a single conductor✓
- 4Insert a high resistance in series with the test probes
Correct answer
Clamp the jaws of the meter completely around a single conductor
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