1
GATE ECE 1991
MCQ (Single Correct Answer)
+2
-0.6
The small signal capacitances of an abrupt P+−N junction is 1 nF at zero bias. If the built-in voltage is 1 volt, the capacitance at a reverse bias voltage of 99 volts is equal to
A
100
B
0.1
C
0.01
D
10
2
GATE ECE 1987
MCQ (Single Correct Answer)
+2
-0.6
The diffusion capacitance of a P-N junction
A
Decreases with increasing current and increasing temperature
B
Decreases with decreasing current and increasing temperature
C
Increases with increasing current and increasing temperature
D
Does not depend on current and temperature
GATE ECE Subjects
EXAM MAP