Physics · Earthing Systems
अर्थ इलेक्ट्रोड के रूप में उपयोग की जाने वाली तांबे की प्लेट की मानक मोटाई कितनी होती है?
- 13.5 मिमी
- 23.15 मिमी✓
- 33.0 मिमी
- 43.75 मिमी
सही उत्तर देखें
3.15 मिमी
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