Ncert Exercises & Solutions

To get a n-type semiconductor from silicon, it should be doped with a substance with valency -

1. 2

2. 1

3. 3

4. 5

(4) HINT: In n-type semiconductor , electrons are charge carriers.

Explanation:

To get a n-type semiconductor from silicon, it should be doped with a substance with valence 5.

e.g., Si doped with P lead to formation of n -type semiconductor as shown below :