Electrical Circuits-1 (66721)

Electrical Circuits 1 (course code 66721) is the standard textbook published by the Bangladesh Technical Education Board (BTEB) for diploma students in Electrical Technology. The book covers DC circuits, network analysis, basic AC concepts, and the foundational ideas that later electrical courses build on.

For polytechnic students working through the BTEB syllabus in Electrical Technology, this is the standard reference.