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

C. A is true, but R is false

D. A is false, but R is true

Answer: Option B