Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Which types of semiconductor is formed when germanium is doped in the gallium as indicated in the figure ?
A
P – type semiconductor Ge Ge Ge Ge
B
N – type semiconductor Ge 
Ge Ge
Ge Ge
C
No change in conductivity Ge Ge Ge Ge
D
It becomes superconductor Ge Ge Ge Ge
Text Solution
Verified by ExpertsThe correct answer is:
A
Impurity of lower group creates a positively charged hole. On applying potential difference, P – holes conduct electric current.
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