Question 108: Semiconductors and Logic Gates

Question

Statement I : By doping silicon semiconductor with pentavalent material, the electrons density increases.
Statement II : The n-type semiconductor has net negative charge.
In the light of the above statements, choose the most appropriate answer from the options given below :

Accepted Answer

Pentavalent activities have excess free e
$$-$$
, so e
$$-$$
density increases but overall semiconductor is neutral.

Answer

Statement - I is true but Statement - II is false.

Answer

Statement - I is false but Statement - II is true.

Answer

Both Statement I and Statement II are true.

Answer

Both Statement I and Statement II are false.

Semiconductors and Logic Gates

Statement I : By doping silicon semiconductor with pentavalent material, the electrons density increases. Statement II : The n-type semiconductor has net negative charge. In the light of the above statements, choose the most appropriate answer from the options given below :

Choose the correct answer: