Question 3100 - GATE Electrical Engineering

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Q#1 Chopper GATE EE 2014 NAT +1 mark -0 marks

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A step-up chopper is used to feed a load at 400V dc from a 250V dc source. The inductor current is continuous. If the ‘off’ time of the switch is , the switching frequency of the chopper in kHz is____.

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Network Analysis

260

Network Basics

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Nodal and Mesh Analysis	1	Browse
Power and Energy Calculation	1	Browse
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Network Theorems - DC Circuits

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Transient Analysis

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Initial and Final Conditions	0	Browse
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Sinusoidal Steady State Analysis

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Phasor Analysis	0	Browse
Maximum Power Transfer Theorem - AC Circuits	0	Browse
Other Theorems - AC Circuits	0	Browse
Power in AC Circuits	0	Browse
Miscellaneous	0	Browse
Resonance	0	Browse
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Two Port Network

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Graph Theory

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Three Phase Circuits

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Signals and Systems

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Signals

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Delta Function	0	Browse
Periodic and other Signals	0	Browse
Signal Graphical Representation	0	Browse
Energy and Power Signals	0	Browse
Waveform Synthesis and Parameters	0	Browse
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LTI Systems

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Fourier Series

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Fourier Transform

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Laplace Transform

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Z Transform

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Sampling

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Digital Filter Design

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Control Systems

258

Transfer Function

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Transfer Function	0	Browse
Block Diagram	0	Browse
Signal Flow Graph	0	Browse
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Time Response Analysis

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Stability

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Root Locus Technique

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Frequency Domain Analysis

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Nyquist Plot and Stability Criterion	0	Browse
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State Variable Analysis

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Control System Design

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Analog Electronics

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Diode and Its Applications

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Diode Basics and Diode Circuit Analysis	0	Browse
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Voltage Regulator	0	Browse
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BJT

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JFET

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MOSFET

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Single stage MOSFET Amplifier	0	Browse
Low frequency and High frequency response of MOSFET Amplifier	0	Browse
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Amplifiers

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OP-AMP and its Applications

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Oscillators

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Digital Electronics

148

Number Systems

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Boolean Algebra

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Combinational Circuits

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Multiplexer and Demultiplexer	0	Browse
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Adders and Subtractors	0	Browse
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Sequential Circuits

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State Machine	0	Browse
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Data Converters

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Logic Family

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Memory

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Microprocessor

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Computer Organisation

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Electrical Machines

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Transformers

109

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Construction of Transformer	0	Browse
Induced EMF - Transformer	0	Browse
Equivalent Circuit - Transformer	0	Browse
Testing of a Transformer	0	Browse
Losses and Efficiency - Transformer	0	Browse
Voltage Regulation - Transformer	0	Browse
Three Phase Transformer	0	Browse
Auto Transformer	0	Browse
Parallel Operation - Transformer	0	Browse
Harmonics in Transformer	0	Browse
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DC Machines

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Construction of DC Machines	0	Browse
EMF and Torque Equation	0	Browse
Equivalent Circuit - DC Machines	0	Browse
Losses and Efficiency - DC Machines	0	Browse
Speed Control of DC Motor	0	Browse
Starting, Braking and Testing of DC Motor	0	Browse
Characteristics of DC machines	0	Browse
Electromechanical Energy Conversion	0	Browse
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Synchronous Machines

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Induced EMF - Synchronous Machines	0	Browse
Voltage Regulation Methods	0	Browse
Equivalent Circuit - Synchronous Machines	0	Browse
Synchronous Impedance	0	Browse
Power Angle Equation	0	Browse
Parallel Operation - Synchronous Machines	0	Browse
Losses and Efficiency - Synchronous Machines	0	Browse
Voltage Regulation - Synchronous Machines	0	Browse
Droop Characteristics	0	Browse
Salient Pole Machines	0	Browse
Synchronous Motor	0	Browse
Cascading of Machines	0	Browse
Contruction and Physical Phenomenon	0	Browse
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Induction Machines

111

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Construction and Rotating Magnetic Field	0	Browse
Equivalent Circuit - Induction Machines	0	Browse
Torque Slip Characteristics	0	Browse
Power and Efficiency	0	Browse
Tests on an Induction Motor	0	Browse
Starting of Induction Motor	0	Browse
Speed Control	0	Browse
Stability of Induction Motor	0	Browse
Singe Phase Induction Motor	0	Browse
Stepper Motor	0	Browse
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Special Machines

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Power Electronics

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Power Semiconductor Devices

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Switch Characteristics	0	Browse
Triggering and Characteristics of SCR	0	Browse
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Phase Controlled Converter

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Single Phase Converter	0	Browse
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Dual Converter	0	Browse
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Chopper

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Buck Converter	0	Browse
Boost Converter	0	Browse
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Inverter

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AC and DC Drives

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Power Systems

344

Power System Generation

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Transmission and Distribution

139

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Power and ABCD Parameters	0	Browse
Voltage and Frequency Control	0	Browse
Power Factor Correction	0	Browse
UG Cables	0	Browse
Overhead Insulators	0	Browse
Corona	0	Browse
Distribution Systems	0	Browse
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Economic Load Dispatch

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Fault Analysis

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Per Unit System	0	Browse
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Symmetrical Fault Analysis	0	Browse
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Power System Stability

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Load Flow Analysis

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Power System Protection

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Protection of Alternator	0	Browse
Protection of Transformer	0	Browse
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EMFT EE

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Electrostatics

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Measurement

158

Error Analysis

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Electro-mechanical Instruments

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Ammeter and Voltmeter	0	Browse
Wattmeter	0	Browse
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Measurement of R,L and C

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CRO

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Instrument Transformer

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Potentiometer and Q-Meter

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Digital Instruments

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Linear Algebra

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Calculus

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Differential Calculus	0	Browse
Integral Calculus	0	Browse
Vector Calculus	0	Browse
Topic-wide	62	Browse

Differential Equations

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First Order Differential Equations	0	Browse
Higher Order Differential Equations	0	Browse
Topic-wide	18	Browse

Complex Functions

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Analytic Functions (Cauchy Riemann Equations) and compex numbers	1	Browse
Complex Integral	0	Browse
Topic-wide	23	Browse

Probability and Statistics

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Probability	0	Browse
Statistics	0	Browse
Random Variable	0	Browse
Topic-wide	32	Browse

Numerical Methods

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Solution of Non-Linear Equation	0	Browse
Numerical Integration	0	Browse
Numerical Solution of Differential Equations	0	Browse
Topic-wide	14	Browse

Transform Theory

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Laplace Transform	0	Browse
Fourier Transform	0	Browse
Z-Transform	0	Browse
Topic-wide	5	Browse

General Aptitude

211

Numerical Ability

116

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Analytical Reasoning	0	Browse
Logical Reasoning	0	Browse
Progressions	0	Browse
Numbers	0	Browse
Clocks and Time Sequence	0	Browse
LCM and HCF, Factors and Remainders	0	Browse
Simple and Compound Interest	0	Browse
Venn Diagrams	0	Browse
Direction Sense	0	Browse
Arithmetic Reasoning	0	Browse
Insert Missing Character	0	Browse
Ratio and Proportion	0	Browse
Percentage, Profit, Loss and Partnerships	0	Browse
Stocks and Shares	0	Browse
Average, Mixtures and Allegations	0	Browse
Geometry and Mensuration	0	Browse
Ages	0	Browse
Time and Work	0	Browse
Pipes and Cisterns	0	Browse
Time and Distance	0	Browse
Data Interpretation	0	Browse
Analytical Figures	0	Browse
Blood Relations	0	Browse
Coding and Decoding	0	Browse
Cube and Dice	0	Browse
Ranking	0	Browse
Speed and Relative Speed	0	Browse
Logarithms	0	Browse
Involution and Evolution	0	Browse
Probability	0	Browse
Permutation and Combinations	0	Browse
Quadratic Equations	0	Browse
Miscellaneous - Numerical Ability	0	Browse
Topic-wide	116	Browse

Verbal Ability

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Grammar	0	Browse
Spotting Errors	0	Browse
Objective Comprehension	0	Browse
Sentence Completion	0	Browse
Sentence Improvement	0	Browse
Analogy	0	Browse
Ordering of Sentences	0	Browse
Vocabulary	0	Browse
Critical Reasoning	0	Browse
Miscellaneous - Verbal Ability	0	Browse
Topic-wide	95	Browse