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
2
GATE ECE 1987
MCQ (Single Correct Answer)
+2
-0.6
The diffusion capacitance of a P-N junction
Questions Asked from PN Junction (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2025 (1)
GATE ECE 2024 (1)
GATE ECE 2022 (1)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 3 (1)
GATE ECE 2016 Set 2 (1)
GATE ECE 2015 Set 3 (1)
GATE ECE 2015 Set 1 (1)
GATE ECE 2014 Set 2 (1)
GATE ECE 2013 (1)
GATE ECE 2009 (1)
GATE ECE 2007 (1)
GATE ECE 2005 (2)
GATE ECE 2003 (2)
GATE ECE 1993 (1)
GATE ECE 1992 (1)
GATE ECE 1991 (2)
GATE ECE 1987 (1)
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Communications
Electromagnetics
General Aptitude