Aspiring engineers who are preparing for the Graduate Aptitude Test in Engineering (GATE) understand the significance of thorough preparation and comprehensive study resources.
Through a meticulous examination of previous years’ question papers, we aim to provide you with valuable insights, key trends, and effective strategies to excel in Electronic devices and Circuits for your GATE exam.
GATE EC Syllabus for the Subject Electronic Devices and Circuits
Energy bands in intrinsic and extrinsic semiconductors, equilibrium carrier concentration, direct and indirect band-gap semiconductors.
Carrier Transport: diffusion current, drift current, mobility and resistivity, generation and recombination of carriers, Poisson and continuity equations.
P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, LED, photo diode and solar cell.
Analysis of Previous GATE Papers for Electronic Devices and Circuits
| Year | Percentage of Marks |
|---|---|
| 2023 | 6% |
| 2022 | 8 % |
| 2021 | 6 % |
| 2020 | 10 % |
| 2019 | 13 % |
| 2018 | 12 % |
| 2017 | 11% |
| 2016 | 9.5% |
| 2015 | 10 % |
| 2014 | 9 % |
| 2013 | 3 % |
Recent GATE Paper Questions of Electronic Devices and Circuits
The following questions have been asked from Electronic Devices and Circuits , in GATE-EC 2023 Paper.
Q.1. In a semiconductor, if the Fermi energy level lies in the conduction band, then the semiconductor is known as
a) degenerate n-type.
b) degenerate p-type.
c) non-degenerate n-type.
d) non-degenerate p-type
Q. 2 For an intrinsic semiconductor at temperature ????=0 ????, which of the following statement is true?
a) All energy states in the valence band are filled with electrons and all energy states in the conduction band are empty of electrons
b)All energy states in the valence band are empty of electrons and all energy states in the conduction band are filled with electrons.
c) All energy states in the valence and conduction band are filled with holes.
d) All energy states in the valence and conduction band are filled with electrons
Q.3. In the circuit shown below, V1 and V2 are bias voltages. Based on input and output impedances, the circuit behaves as a
a) voltage controlled voltage source
b) voltage controlled current source.
c) current controlled voltage source
d) current controlled current source
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