Physics · Electrical Machines
एक डीसी जनरेटर (DC generator) में अलग-अलग कम्यूटेटर खंडों (commutator segments) को एक दूसरे से इंसुलेट करने के लिए पारंपरिक रूप से किस सामग्री का उपयोग किया जाता है?
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