Electrical Engineering · Insulating Materials
'H' वर्ग के विद्युतरोधी (इंसुलेटर) पदार्थ की सीमित तापमान सीमा कितनी होती है?
- 1120°C
- 2100°C
- 3150°C
- 4180°C✓
सही उत्तर देखें
180°C
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