Q. Which of the following is p-type semi-conductor? (Solved)
1. Selenium
2. Silicon doped with phosphorous
3. Silicon doped with gallium
4. All of the above
5. None of the above
- c. Silicon doped with gallium
1. Selenium
2. Silicon doped with phosphorous
3. Silicon doped with gallium
4. All of the above
5. None of the above