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1
GATE ECE 2015 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A region of negative differential resistance is observed in the current voltage characteristics of a silicon PN junction if
A
Both the P-region and the N-region are heavily doped
B
The N-region is heavily doped compared to the P-region
C
The P-region is heavily doped compared to the N-region
D
An intrinsic silicon region is inserted between the P-region and the N-region
2
GATE ECE 2015 Set 1
Numerical
+1
-0
In the circuit shown below, the Zener diode is ideal and the Zener voltage is 6V. The output voltage V0 (in volts) is ________. GATE ECE 2015 Set 1 Electronic Devices and VLSI - PN Junction Question 29 English
Your input ____
3
GATE ECE 2014 Set 1
Numerical
+1
-0
When the optical power incident on a photodiode is 10μW and the responsivity is 0.8 A/W, the photocurrent generated (in μA) is ________.
Your input ____
4
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
In a forward biased P-N junction diode, the sequence of events that best describes the mechanism of current flow is
A
injection, and subsequent diffusion and recombination of minority carriers
B
injection, and subsequent drift and generation of minority carriers
C
extraction, and subsequent diffusion and generation of minority carriers
D
extraction, and subsequent drift and recombination of minority carriers
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Network Theory
Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks Miscellaneous
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Time Response Analysis Signal Flow Graph and Block Diagram State Space Analysis Basic of Control Systems Compensators Root Locus Diagram Stability Frequency Response Analysis
Electronic Devices and VLSI
IC Basics and MOSFET PN Junction BJT and FET Semiconductor Physics
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Frequency Response Operational Amplifier Power Amplifier Diodes Oscillators Feedback Amplifier 555 Timer Bipolar Junction Transistor FET and MOSFET
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Sequential Circuits Number System and Code Convertions Logic Gates Combinational Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters Boolean Algebra
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Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
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Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Representation of Continuous Time Signal Fourier Series Transmission of Signal Through Continuous Time LTI Systems Miscellaneous Sampling Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Discrete Time Signal Z Transform Transmission of Signal Through Discrete Time Lti Systems
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Analog Communication Systems Digital Communication Systems Random Signals and Noise Fundamentals of Information Theory Noise In Digital Communication
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Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
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