Physics · Power System Earthing
आमतौर पर किस सिस्टम वोल्टेज रेंज के लिए रेजिस्टेंस ग्राउंडिंग (प्रतिरोध अर्थिंग) का प्रभावी ढंग से उपयोग किया जाता है?
- 1220 kV से ऊपर
- 23.3 kV से 11 kV✓
- 366 kV से 220 kV
- 433 kV से 66 kV
सही उत्तर देखें
3.3 kV से 11 kV
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