CUET · PHYSICS · PYQ PAPER 2023
In a semiconductor, there are :
(A) no free electrons at any temperature
(B) no free electrons at 0 K
(C) number of free electrons increase with temperature
(D) number of free electrons decrease with temperature
Choose the correct answer from the options given below:
- A (A) and (B) only
- B (B) and (C) only
- C (B) and (D) only
- D (C) and (D) only
Answer & Solution
Correct Answer
(B) (B) and (C) only
Step-by-step Solution
Detailed explanation
(B) no free electrons at 0 K and (C) number of free electrons increase with temperature are correct statements. The correct answer is (B) and (C) only.
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