Physics · Calibration of Instruments
वोल्टमीटर का अंशांकन (calibration) किसके द्वारा किया जा सकता है?
- 1एक सीआरओ (CRO) द्वारा
- 2एक एमीटर (ammeter) द्वारा
- 3एक आवृत्ति मीटर (frequency meter) द्वारा
- 4एक विभवमापी (potentiometer) द्वारा✓
सही उत्तर देखें
एक विभवमापी (potentiometer) द्वारा
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