- Cylindrical Coordinate System
- Vector Conversion Between Cylindrical and Cartesian Coordinate System
- Numerical 1 for Vector Conversion Between Cartesian and Cylindrical Coordinate System
- line integration, surface integration and volume integration in cylindrical coordinate system
- Numerical 2 on Line Integration

- Static Characteristics of Measuring Instruments: Resolution, Hysteresis Error, Dead Time, Dead Zone and Linearity
- Numerical on Resolution
- Dynamic Characteristics of Measuring Instruments: Speed of Response, Fidelity and Overshoot
- Types of Static Errors
- Numerical 1 on Error Analysis
- Numerical 2 on Error Analysis
- Numerical 3 on Error Analysis

- Generation of DC Signal and Rectangular/Gate Function
- Elementary Continuos Time Signals _Part 2 (Impulse Signal)
- Elementary Continuos Time Signals _Part 3( Ramp Signal)
- Numericals on Elementary Continuous Time Signals
- Interrelationship between Elementary Continuous Time Signal
- Operations with Continuous Time Impulse Signal

- Extension of range of PMMC Voltmeter Series Multipliers
- Numerical on Voltmeter Series Multipliers
- Numerical on Loading Effect in Voltmeter
- Moving Iron (MI) Instruments: Attraction Type MI Instruments
- Repulsion Type MI Instruments
- Extension of Range of MI Ammeter
- Numerical 1 on MI Instrument
- Condition for Linear scale in MI instrument
- Numerical 2 on MI Instrument

- Errors in Dynamometer Type Instruments
- Numerical 1 on Indicating Instruments
- Numerical 2 on Indicating Instruments
- Numerical 3 on Indicating Instruments
- Numerical 4 on Indicating Instruments
- Numerical 5 on Indicating Instruments
- Numerical 6 on Indicating Instruments
- Numerical 7 on Indicating Instruments
- Numerical 8 on Indicating Instruments
- Numerical 9 on Indicating Instruments

- Numerical 2 on Measurement of Power and Energy
- Numerical 3 on Measurement of Power and Energy
- Numerical 4 on Measurement of Power and Energy
- Numerical 5 on Measurement of Power and Energy
- Numerical 6 on Measurement of Power and Energy
- Numerical 7 on Measurement of Power and Energy
- Numerical 8 on Measurement of Power and Energy
- Numerical 9 on Measurement of Power and Energy
- Numerical 10 on Measurement of Power and Energy
- Numerical 11 on Measurement of Power and Energy
- Numerical 12 on Measurement of Power and Energy
- Numerical 13 on Measurement of Power and Energy
- Numerical 14 on Measurement of Power and Energy

- Substitution Method for Medium Resistance Measurement
- Wheatstone Bridge
- Ohm Meter for Medium Resistance Measurement
- High Resistance Measurement: Loss of Charge Method
- Numerical on Loss of Charge Method
- Meggar for High Resistance Measurement
- Numerical 1 on Measurement of R, L and C
- Numerical 2 on Measurement of R, L and C
- Numerical 3 on Measurement of R, L and C
- Numerical 4 on Measurement of R, L and C
- Numerical 5 on Measurement of R, L and C

- Numerical 1 on Digital Voltmeters
- Numerical 2 on Digital Voltmeters
- Numerical 3 on Digital Voltmeters
- Numerical 4 on Digital Voltmeters
- Numerical 5 on Digital Voltmeters
- Numerical 6 on Digital Voltmeters
- Numerical 7 on Digital Voltmeters
- Numerical 8 on Digital Voltmeters
- Numerical 9 on Digital Voltmeters
- Numerical 10 on Digital Voltmeters
- Numerical 11 on Digital Voltmeters
- Numerical 12 on Digital Voltmeters
- Numerical 13 on Digital Voltmeters

- Numerical 1 on Transmission Line
- Numerical 2 on Transmission Line
- Numerical 3 on Transmission Line
- Numerical 4 on Transmission Line
- Numerical 5 on Transmission Line
- Reflection Coefficient and Standing Wave Ratio
- Numerical 1 on Reflection Coefficient and Standing Wave Ratio
- Numerical 2 on Reflection Coefficient and Standing Wave Ratio
- Numerical 3 on Reflection Coefficient and Standing Wave Ratio
- Numerical 4 on Reflection Coefficient and Standing Wave Ratio
- Numerical 5 on Reflection Coefficient and Standing Wave Ratio

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- Introduction and Parallel Plane Waveguide
- Wave Angle(Tilt Angle) and Phase and Group Velocity
- Numerical 1 on Parallel Plane Waveguide
- Numerical 2 on Parallel Plane Waveguide
- Transverse Electric Mode(TE) mode in Parallel Plane Waveguide
- Transverse Magnetic Mode(TM) mode in Parallel Plane Waveguide
- Transverse Electromagnetic (TEM) Mode in Parallel Plane Waveguide

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- Generation of Different Modes in Rectangular Waveguide
- Relationship Between Operating, Cutoff and Guide Wavelength
- Dominating Mode in Rectangular Waveguide
- TM and TE Wave Equation in Rectangular Waveguide
- Numerical 1 on Rectangular Waveguide
- Numerical 2 on Rectangular Waveguide
- Numerical 3 on Rectangular Waveguide
- Numerical 4 on Rectangular Waveguide

- Introduction and Hertzian Dipole Antenna
- Half Wave Dipole Antenna
- Quarter Wave Monopole Antenna
- Basic Definitions of Antenna
- Effective Area and Friis Equation
- Antenna Arrays
- Pattern Multiplication Theorem
- Effective Length of Antenna
- Numerical 1 on Antenna
- Numerical 2 on Antenna
- Numerical 3 on Antenna
- Numerical 4 on Antenna
- Numerical 5 on Antenna
- Numerical 6 on Antenna

- singletone AM Expression & Spectrum
- Single tone AM power Calculations
- Efficiency Calculations
- Practical Methods for Calculations of Modulation Index
- Problem on Power calculation Of AM -1
- Problem on Modulation Index of AM -1
- Problem on Power calculation of AM-2
- Problem on Modulation Index of AM -2
- Problem on Single tone AM - 1
- Problem on Single tone AM - 2
- Problem on Single tone AM - 3
- Multitone AM
- Problem on Modulation Index of AM - 3
- Problem on Multi tone AM - 1
- Problem on Power Calculation of AM - 3
- Problem on Modulation Index of AM - 4
- Problem on Multi tone AM - 2
- Generation of AM

- Problem on power equation
- Torque equations
- Problem on torque - 1
- Problem on torque - 2
- Problem on torque - 3
- Torque- Slip - Speed Characteristics
- Effect of Rotor Resistance on Torque Slip Speed Characteristics
- Effect of supply frequency on Torque Slip Speed Characteristics
- Problem No. 2 on Rotor Speed
- Problem No.3 on Rotor Speed
- Effect of Supply Voltage on Torque Slip Speed Characteristics

- Effect of Poles on Torque Slip Speed Characteristics
- Effect of harmonics on speed
- Speed Control of Induction Motor by injecting EMF into rotor
- Speed control of Induction Motor by Cascading method
- Double Cage Rotor or Deep Bar Rotor
- Testing on Induction machines
- No-load test
- Blocked rotor test
- Starters

- Synchronous detector
- Problem on Power calculation Of AM
- Problem on Multi tone AM - 3
- Problem on Efficiency of AM
- Problem on Envelope Detector 2
- Problem on Single tone AM - 4
- Problem on Power calculation Of AM - 5
- Problem on general AM - 1
- Problem on Multi tone AM - 4
- Problem on General AM - 2
- Advantages and Drawbacks of AM

- Shaded Pole Induction Motor
- Stepper motor
- Previous GATE Problem - 1
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- General expression of FM
- NBFM (Narrow Band FM)
- WBFM (Bessal Coefficient and Expression)
- WBFM (Spectrum and Band width)
- WBFM (Power and Efficiency)
- Phase Modulation
- Problem on FM - 3
- Problem on FM - 4
- Problem on FM - 5
- Problem on FM - 6
- Problem on M.I of FM - 1
- Problem on FM - 7
- Problem on B.W of AM and FM - 1
- Problem on M.I of FM
- Problem on FM - 8
- Problem on Phase Deviation of PM - 1
- Problem on FOM of FM
- Problem on spectrum of FM & PM
- Problem on B.W of FM - 1
- Problem on Spectrum of FM - 1
- Problem on NBFM - 1
- Problem on Frequency deviation of FM
- Problem on Carrier frequency component of FM
- Problem on % of M.I of FM
- Problem on FM - 9
- Problem on Instant frequency of FM
- Problem on Instant Frequency - 1

- Problem on Instant Frequency - 2
- Problem on Frequency Deviation of FM - 2
- Problem on FM - 10
- Problem on B.W of FM - 2
- Multitone FM
- Generation FM
- Armstrong method
- Problem on Armstrong Method - 1
- Problem on Armstrong Method - 2
- Problem on Frequency drift
- Demodulation of FM
- Slope detector
- Balanced slope detector
- Phase Descriminators (PLL)
- Problem on PLL
- Problem on Combimation of AM and FM

- Introduction Receivers and Transmitter
- Crystal receiver
- TRF receiver
- SHD receiver
- Image Rejection Ratio (IRR)
- Problem on Image Frequency
- Problem on TRF Receiver
- Problem on SHD Receiver 1
- Problem on SHD Receiver 2
- Problem on IRR 1
- Problem on IRR 2
- FM recevier
- Problem on Image Frequency of FM
- Problem on SHD Receiver 3
- Problem on Pre-Emphasis and De-Emphasis of FM
- Problem on SHD Receiver 4
- AM transmitter
- Problem on AM transmitter

- Analog Communication 2020 Gate question No. 1
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- Open Delta Connection
- Scott connection
- T-T connection
- Switch question on 3 phase t/f
- Problem on mmf balancing - 1
- Problem on mmf balancing - 2
- Problem on 3 phase t/f
- Parellel operation of 3 phase t/f
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- Information Theory 2020 Gate question No. 1
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- Basics of Information Theory
- 1.2 Entropy
- Problem on Entropy - 1
- Problem on Entropy - 2
- Information Rate and Problem
- 1.4 Channel Capacity Theorem & Problem
- Problem on capacity of AWGN channel - 1
- Problem on capacity of AWGN channel - 2
- Problem on energy per bit
- Problem on channel capacity - 1
- Problem on entropy - 3
- Problem on entropy - 4
- Problem on Information rate
- Problem on entropy - 5
- Problem on entropy - 6
- Problem on sources
- Problem on Channel Capacity - 2
- Problem on Channel Capacity - 3
- 1.5 Source coding Techniques
- Problem on shanon-fano SCT - 1
- Problem on shanon-fano SCT - 2
- Problem on huffmen SCT
- Problem on efficiency of channel - 1
- Problem on efficiency of channel - 2

- 1.6 Joint probability and conditional probability
- Problem on binary channel 1
- Problem on cascade of binary channel
- Problem on basics
- Problem on entropy of channel - 1
- Problem on entropy of channel - 2
- Mutual Information
- Capacity of Channels
- 1.9 Binary symmetric channel
- Problem on BSC Channel 1
- Binary Erasure Channel
- Problem on BSC Channel 2
- 1.11 Noise free channel
- 1.12 Binary channel

- Calculations of Starters
- 2.16 brake test
- Swinburne Test and Retardation Test
- 2.18 hopkinson test
- 2.19 field test
- 2.20 special questions-1
- 2.21 special questions-2
- Question on Braking
- 2.23 question on losses
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- Problem on binary channel 2
- Problem on Mutual Information
- 1.13 Entropies of continuous channel
- Basics
- Problems & conditions
- Problems on Block Codes - 1
- Generation of block codes
- Problem on hamming codes
- Decoding of block codes
- Problem on block codes - 1
- Problem on block codes - 2
- Problem on block codes - 3
- Problem on block codes - 4
- Problem on Block Codes - 5
- 2.5 MAP & ML Decoding techniques
- Problem on MAP & ML - 1
- Problem on MAP & ML - 2
- Problem on Channel Capacity 4

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- Problem on PCM 5
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- Problem on PCM 12
- Problem on PCM 13
- Problem on PCM 14
- Problem on PCM 15
- Problem on PCM 16
- Time Division Mutiplexing (TDM)
- Problem on TDM 1
- Problem on TDM 2
- Problem on TDM 3
- Problem on TDM 4
- Problem on TDM 5
- Problem on TDM 6
- Problem on TDM 7
- Problem on TDM 8
- Problem on TDM 9
- Problem on TDM 10
- Problem on TDM 11
- Problem on TDM 12
- Comparisons between TDM &FDM
- DPCM (Differential pulse code modulation )
- Problem on DPCM
- Delta modulation
- Problem on DM 1
- Problem on DM 2
- Problem on DM 3

- Problem on DPSK 1
- Problem on DPSK 2
- M-array signalling
- Quadarature phase shift keying (QPSK)
- Baud Rate
- Inter Symbol Interference and Summary on B.W.
- Problem on Raised Cosine Pulse 1
- Problem on Raised Cosine Pulse 2
- Problem on M - Array PSK 1
- Problem on FSK 1
- Problem on QPSK 1
- Problem on Digital Communication 1
- Problem on FSK 2
- Problem on M - Array PSK 2
- Problem on Digital Communication 2
- Problem on Energy of M - PSK
- Problem on Pe of M - PSK 1
- Problem on Pe of M - PSK 2

- Random variables 2020 Gate Question No. 1
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- Parallel Operation of Two Alternators at Load
- Introduction to Synchronous Motor
- Simple Loop and Basic Principle
- Operation of Synchronous Motor
- Starting Methods
- Armature Reaction of Synchronous Motor
- Power Equation of Cylindrical Motor
- Synchronous Motor at No-Load and Loaded
- Synchronous Condenser
- Problem on Synchronous Condenser
- Definitions
- Vector Diagram of Salient Pole Synchronous Motor

- Random variables 2005 Gate Question No. 3
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- Random variables 2002 Gate Question No. 1
- Random variables 2001 Gate Question No. 1
- Random variables 1997 Gate Question No. 1
- Random variables 1992 Gate Question No. 1
- Random variables 1991 Gate Question No. 1
- Random variables 1991 Gate Question No. 2
- Random variables 1989 Gate Question No. 1
- Random variables 1987 Gate Question No. 1

- Introduction of Random Variables
- Probability Mass Function (P.M.F.)
- Problem on P.M.F.
- Probability Distribution Function (C.D.F)
- Probability Density Function (P.D.F)
- Problem on P.D.F. 1
- Problem on P.D.F. 2
- Statistical Averages of Random Variables
- Uniform Density Function
- Problem on Uniform P.D.F. 1
- Problem on Uniform P.D.F. 2

- Parallel Operation with Busbar at No-Load
- At-Load Effect of Excitation
- At-Load Effect of Primover
- Problem on Parallel Operation
- Previous GATE Problem - 1
- Previous GATE Problem - 2
- Previous GATE Problem - 3
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- Previous GATE Problem - 24
- Previous GATE Problem - 25

- Exponential Density Function
- Problem on Exponential P.D.F. 1
- Problem on Exponential P.D.F. 2
- Statistical averages of R.V ( Discrete)
- Statistical Averages of Random Variables(Continuous)/Properties of Mean
- Problem on Statistical Averages of C.R.V
- Gaussian Random Variables
- Problem on Gaussian R.V. 1
- Problem on Gaussian R.V. 2
- Binomial Distribution
- Problem on Binomial Distribution
- Possion Distribution
- Problem on Binomial and Possion Distribution
- Problem on Exponential P.D.F. 3
- Laplacian and Rayleigh Distribution
- Central Limit Theorem
- Problem on Marginal P.D.F.
- Problem on Function of Random Variable
- Problem on Gaussian Distribution 1
- Problem on Gaussian Distribution 2
- Problem on Transformation 1
- Problem on Transformation 2
- problem on Independent R.V

- Previous GATE Problem - 26
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- Previous GATE Problem - 38-40
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- Previous GATE Problem - 63
- Previous GATE Problem - 64

- Random process (or) Stochastic process
- Problem on WSS 1
- Problem on Mean and ACF of R.P. 1
- Problem on Mean and ACF of R.P. 2
- Problem on WSS 2
- Correction and Power Spectral Density
- Properties of ACF
- summary
- Problem on P.S.D. 1
- problem on Random Process
- Problem on P.S.D. 2
- Problem on P.S.D. 3
- Problem on P.S.D. 4

- Problem on White Noise 2
- Figure of Merit and Noise Figure
- Problem on Noise Figure 1
- problem on Noise voltage
- Problem on Noise Figure 2
- FOM Calculation for DSB-SC
- FOM Calculation for SSB-SC
- FOM Calculation for AM
- FOM for FM and PM and Summary
- Problem on FOM 1
- Problem on FOM 2
- Problem on Noise Figure 3

Professor Abhishek Barve is the Academic Head of Ekeeda. He is an academician by heart and has expertise in over 13 subjects across 4 different disciplines related to Academics & GATE. He teaches Electrical Networks, Digital Circuits, Control Systems, and Signals and systems to name a few. Sir has been helping students in preparing for GATE for over 6 years now. He has guided over 10000 students till now. In his personal life, sir loves reading novels and listening to music. His favorite musician is A R Rehaman and his favorite author is G.A. Kulkarni. What more, he has written 13 episodes for the ‘Crime Diary’ serial which used to air on ETV Marathi.

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