Electrical Engineering · Electrical Measurements and Instrumentation
उस उपकरण की पहचान करें जिसका उपयोग मुख्य रूप से नो-लोड टेस्ट के दौरान सिंगल-फेज ट्रांसफार्मर में कोर/आयरन लॉस (लोह हानि) को मापने के लिए किया जाता है।
- 1डायनेमोमीटर प्रकार का वाटमीटर (Dynamometer type wattmeter)
- 2लो रेजिस्टेंस एमीटर (Low resistance ammeter)
- 3हाई पावर फैक्टर वाटमीटर (High power factor wattmeter)
- 4लो पावर फैक्टर वाटमीटर (Low power factor wattmeter)✓
सही उत्तर देखें
लो पावर फैक्टर वाटमीटर (Low power factor wattmeter)
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