GATE ECE 2005 | IC Basics and MOSFET Question 57 | Electronic Devices and VLSI

GATE ECE 2005

MCQ (Single Correct Answer)

-0.3

A MOS capacitor made using p-type substrate is in the accumulation mode. The dominant charge in the channel is due to the presence of

holes

electrons

positively charged ions

negatively charged ions

GATE ECE 2004

MCQ (Single Correct Answer)

-0.3

Consider the following statements S1 and S2.

S1: The threshold voltage (V_T) of a MOS capacitor decreases with increase in gate oxide thickness

S2: The threshold voltage (V_T) of a MOS capacitor decreases with increase in substrate doping concentration.

Which one of the following is correct?

S1 is FALSE and S2 is TRUE

both S1 and S2 are TRUE

S1 is TRUE and S2 is FALSE

both S1 and S2 are FALSE

GATE ECE 1994

MCQ (Single Correct Answer)

-0.3

The threshold voltage of an n-channel MOSFET can be increased by

increasing the channel dopant concentration

reducing the channel dopant concentration

reducing the gate-oxide thickness

reducing the channel length

GATE ECE Subjects

Network Theory

Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks Miscellaneous

Control Systems

Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis

Electronic Devices and VLSI

Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET

Analog Circuits

Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer

Digital Circuits

Number System and Code Convertions Boolean Algebra Logic Gates Combinational Circuits Sequential Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters

Microprocessors

Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085

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

Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise

Electromagnetics

Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability

Engineering Mathematics

Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory