Physics · Measuring Instruments
An AC instrument can be changed into an audio-frequency ammeter or voltmeter by adding an extra ______ to it.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Transducer
- 2Chopper
- 3Rectifier
- 4Thermocouple✓
Correct answer
Thermocouple
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