Physics · Electrical Measuring Instruments
एक वोल्टमीटर के सटीक अंशांकन (calibration) के लिए निम्नलिखित में से किस प्रयोगशाला उपकरण का व्यापक रूप से उपयोग किया जाता है?
- 1आवृत्ति जनरेटर (Frequency generator)
- 2आवृत्ति गेज (Frequency gauge)
- 3पोटेंशियोमीटर (Potentiometer)✓
- 4एमीटर (Ammeter)
सही उत्तर देखें
पोटेंशियोमीटर (Potentiometer)
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