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Physics GK · Q32

Electronics GK

Competitive Exams · Physics GK · question 32

Q32

Assertion (A) An N-type semiconductor has a large number of electrons but still it is electrically neutral. Reason (R) An N-type semiconductor is obtained by doping an intrinsic semiconductor with a pentavalent impurity.

A.
Both A and R are true and R is the correct explanation of A
B.
Both A and R are true, but R is not the correct explanation of A
Answer
C.
A is true, but R is false
D.
A is false, but R is true

Answer: Option B

Solution

Answer: Option B
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