Q. To produce P-type semiconductors, you need to add
A. Trivalent impurity
B. Carbon
C. Pentavalent impurity
D. Silicon
Answer: Trivalent impurity
Take Mock Tests
| Government Schemes Mock Test | Start Test! |
| Political Science Mock Test – 42 | Start Test |
| History Test – 190 | Start Test |
| Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
| General Awareness - Mock Test | Start Test! |
| Reasoning Ability - Mock Test | Start Test! |
We will be happy to hear your thoughts