HomeEngineeringAddition of pentavalent impurity to a semiconductor creates many________________? 36. Addition of pentavalent impurity to a semiconductor creates many________________?By Admin / September 7, 2025 A. Free electrons B. Holes C. Valence electrons D. Bound electrons ✅ The correct answer is option A.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin