Mathematics · Electrical Power Systems
भारत में घरेलू एसी बिजली आपूर्ति के लिए निर्धारित मानक आवृत्ति (frequency) क्या है?
- 130 Hz
- 250 Hz✓
- 360 Hz
- 4100 Hz
सही उत्तर देखें
50 Hz
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