MCQ Practice All Subject 📖 DC মেশিনে armature লেমিনেটেড করা হয় কী কমানের জন্য? ক Copper lossখ Eddy current lossগ Frictional lossঘ Hysteresis loss Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up Previous DC (Direct Current) এর Frequency কত? Next ডিজেল ইঞ্জিন একটি -