EC > GATE 2024 > Semiconductor Physics
The free electron concentration profile n(x) in a doped semiconductor at equilibrium is shown in the figure, where the points A, B, and C mark three different positions.
Which of the following statements is/are true?
A
For x between B and C, the electron diffusion current is directed from C to B.
B
For x between B and A, the electron drift current is directed from B to A.
C
For x between B and C, the electric field is directed from B to C.
D
For x between B and A, the electric field is directed from A to B.

Correct : A;D

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