HomeEngineeringThe impurity level in an extrinsic semiconductor is about_______________of pure semiconductor ? 179. The impurity level in an extrinsic semiconductor is about_______________of pure semiconductor ?By Admin / September 7, 2025 A. 10 atoms for 108 atoms B. 1 atom for 108 atoms C. 1 atom for 104 atoms D. 1 atom for 100 atoms ✅ The correct answer is option B.
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