Dopant type and majority carriers of p-type and n-type semiconductors

1. A.
   trivalent impurity and electrons are majority carriers.
2. B.
   pentavalent impurity and electrons are minority carriers.
3. C.
   pentavalent impurity and holes are minority carriers.
4. D.
   trivalent impurity and holes are majority carriers.

Tap an option to check your answer.

1. A.
   $n_e \gg n_h$
2. B.
   $n_e \ll n_h$
3. C.
   $n_e \leq n_h$
4. D.
   $n_e = n_h$

Tap an option to check your answer.

1. A.
   Holes are majority carriers and trivalent atoms are dopants.
2. B.
   Electrons are majority carriers and trivalent atoms are dopants.
3. C.
   Holes are minority carriers and pentavalent atoms are dopants.
4. D.
   Electrons are minority carriers and pentavalent atoms are dopants.

Tap an option to check your answer.

1. A.
   A
2. B.
   C
3. C.
   B
4. D.
   D

Tap an option to check your answer.

1. A.
   large number of holes and few electrons
2. B.
   large number of free electrons and few holes
3. C.
   equal number of free electrons and holes
4. D.
   no electrons or holes

Tap an option to check your answer.