Login to track your progress, bookmark questions, and view history.
Practice over 1000+ GATE-level questions from this topic!
Designed to match the latest GATE pattern with topic-wise precision, difficulty tagging, and detailed solutions.
Q#1
Semiconductor Physics
GATE EC 2024
MSQ
+1 mark
-0 marks
The free electron concentration profile 
in a doped semiconductor at equilibrium is shown in the figure, where the points 
, and 
mark three different positions. Which of the following statements is/are true?
For 
between B and C, the electron diffusion current is directed from to 
.
For between B and A, the electron drift current is directed from B to A.
For between B and C, the electric field is directed from B to C.
For between B and A, the electric field is directed from 
to .
Explanation:
- Density of
is maximum at point 
and minimum at . - will move from
, and from to .
Login to keep track of your progress with the tool with daily goals, questions preparation and more.
Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Electronics and Communications
Total Questions
Attempted
% Attempted
Correct
% Correct
Login to keep track of your progress with the tool with daily goals, questions preparation and more.
Login to track your progress, bookmark questions, and view history.