Question
Question: Which of the following statements is true about semiconductors?...
Which of the following statements is true about semiconductors?
A
Impurity of lower group creates n – types semiconductors.
B
Impurity of higher group creates p – type semiconductors,
C
Extrinsic semiconductors are formed by doping impurity.
D
Intrinsic semiconductors becomes conductors when temperature is raised.
Answer
Intrinsic semiconductors becomes conductors when temperature is raised.
Explanation
Solution
Intrinsic semiconductors are insulators at room temperature and become semiconductors when temperature is raised.