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

• A.    If both assertion and reason are true and the reason is the correct explanation of the assertion.
• B.    If both assertion and reason are true but reason is not the correct explanation of the assertion.
• C.    If assertion is true but reason is false.
• D.    If the assertion and reason both are false.
• E.    If assertion is false but reason is true.