A) Germanium
B) Arsenic
C) Selenium
D) Boron
Correct Answer: D
Solution :
[d] The n-type semiconductors are obtained when Si or Ge are doped with elements of group 15, eg, arsenic (As), while p-type semiconductors are obtained when Si or Ge are doped with traces of elements of group 13, ie, indium (In), boron . |
Note: The conductivity of semiconductors increases with rise in temperature. |
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