Modern Physics Ques 239
- Holes are charge carriers in
(1997)
(a) intrinsic semiconductors
(b) ionic solids
(c) $p$-type semiconductors
(d) metals
Show Answer
Answer:
Correct Answer: 239.(a,c)
Solution:
Formula:
Charge Concentration and Current:
- In intrinsic semiconductors, number of holes $=$ number of free electrons while in case of a $p$-type semiconductor, number of holes $>$ number of free electrons.
BETA
