B.tech(ECE) with CGPA-8.5/10,GATE(2017)  qualified, teaching experience-3 years,love playing badminton.

Ruhika Ruhi

This course deals with the semiconductor basics , applications and other important concepts.

GATE (Graduate Aptitude Test in Engineering) 2020 & 2021 complete preparation with best educators. Know about the detailed syllabus, best books, exam pattern and dates, previous year question papers a

GATE - Iconic Pro

English

Electronic Devices and Circuits

Semiconductor Physics

Electronic Devices

GATE & ESE - EE, EC

GATE, ESE and IIT-JAM

Ace the toughest competitive and government exams in India 

Test Preparation

This lesson contains basics of semiconductor materials and some other important concepts.

Semiconductor Basics: Part 1

This lesson contains the syllabus and other important concepts like current, field intensity, potential and potential difference

Basic Semiconductor Physics: Part 2

This lesson shows the variation of electric field intensity across a uniform semiconductor bar and explanation of two important graphs-(1) Mobility versus electric field intensity (2)Drift velocity versus electric field intensity

Basic Semiconductor Physics: Part 3

This lesson explains the most important electron-hole concept and the mechanism of formation of energy bands,conduction band and valence band and forbidden energy gap.

Basic Semiconductor Physics: Part 4

This lesson describes the classification of materials into metals, semiconductor and insulator, relationship between forbidden energy gap and temperature and definitions of drift current and diffusion current.

Basic Semiconductor Physics: Part 5

This lesson describes the concept of concentration gradient, expression of diffusion length and mass-action law.

Basic Semiconductor Physics: Part 6

This lesson describes the expression of intrinsic carrier concentration,concept of resistivity,conductivity and expression of conductivity.

Basic Semiconductor Physics- Part 7

This lesson describes the concept of temperature coefficients, expression of minimum conductivity and conductivity sensitivity.

Basic Semiconductor Physics- Part 8

This lesson explains the advantages of Silicon over Germanium, Classification of semiconductor: intrinsic semiconductor at T=0K and 300K.

Basic Semiconductor Physics- Part 9

This lesson describes the concept of recombination, disadvantage of intrinsic semiconductor, expression of intrinsic conductivity,doping,types of doping and standard doping levels.

Basic Semiconductor Physics- Part 10

This lesson particularly deals with the concept of Impurity Profile in detail with the detailed explanation of non-uniform concentration and built-in electric field.

Basic Semiconductor Physics-11

This lesson explains the concept of current density and derivations related to current density.

Basic Semiconductor Physics-12

This lesson deals with the expressions of electron and hole  diffusion current density,total diffusion current density and total current density.

Basic Semiconductor Physics-13

This lesson describes the expressions of electron and hole diffusion current,total diffusion current and total current.

Basic Semiconductor Physics-14

This lesson explains the concept of n-type semiconductor at T=0K and the related energy band diagram.

Basic Semiconductor Physics-15

This lesson describes the concept of donor level ionization,and behavior of n-type semiconductor at T=300K.

Basic Semiconductor Physics-16

This lesson describes the condition of n-type semiconductor, representation of n-type semiconductor and introduction of p-type semiconductor at T=0K.

Basic Semiconductor Physics-17

This lesson describes the behavior of p-type semiconductor at T=300K and the condition of p-type semiconductor.

Basic Semiconductor Physics-18

This lesson describes the concept of law of electrical neutrality and neutrality concept in detail.

Basic Semiconductor Physics-19

This lesson explains the concept of donor concentration and acceptor concentration as well as the conductivity of n-type semiconductor and p-type semiconductor .

Basic Semiconductor Physics-20

This lesson describes the effect of temperature on the conductivity of extrinsic semiconductor at T=0K and 0K<T>300K and at T=300K.

Basic Semiconductor Physics: Part 21

This lesson describes the effect of temperature on the conductivity of extrinsic semiconductor at 300K<T>Tc,T=Tc and at T>Tc.

Basic Semiconductor Physics: Part 22

This lesson explains the concept of fermi-dirac distribution function and the concept of fermi-level.

Basic Semiconductor Physics: Part 23

This lesson explains the case studies of E<Ef and E>Ef at T=0K.

Basic Semiconductor Physics: Part 24

This lesson describes the effect of temperature on the fermi-dirac distribution function and the concentration of electrons in the conduction band.

Basic Semiconductor Physics: Part 25

This lesson contains the concept of Nc, concentration of holes in the valence band and expression of Nv.

Basic Semiconductor Physics: Part 26

This lesson derives the relationship of intrinsic carrier concentration in terms of Nc and Nv.

Basic Semiconductor Physics: Part 27

This lesson describes the fermi-level concept in intrinsic semiconductor.

Basic Semiconductor Physics: Part 28

This lesson explains the case-studies for the fermi-level of intrinsic semiconductor.

Basic Semiconductor Physics: Part 29

This lesson explains how the fermi-level of intrinsic semiconductor varies with temperature.

Basic Semiconductor Physics: Part 30

This lesson explains the concept of fermi-level for n-type semiconductor and case studies related to them.

Basic Semiconductor Physics-31

This lesson explains the effect of temperature and doping on the fermi-level of n-type semiconductor.

Basic Semiconductor Physics-32

This lesson explains the amount of shift due to doping in n-type semiconductor and derivation for Ef in p-type semiconductor.

Basic Semiconductor Physics-33

This lesson explains the case studies related to p-type semiconductor and the effect of temperature on the fermi-level of p-type semiconductor.

Basic Semiconductor Physics-34

This lesson explains the effect of doping and the amount of Shift in p-type semiconductor.

Basic Semiconductor Physics-35

This lesson explains the concept of hall effect.

Basic Semiconductor Physics-36

This lesson derives the expression of hall voltage.

Basic Semiconductor Physics-37

This lesson introduces the concept of Hall Coefficient .

Basic Semiconductor Physics-38

This lesson describes the hall effect in p-type semiconductor and some important relations.

Basic Semiconductor Physics-39

This lesson explains the value of hall voltage and hall Coefficient for metals and semiconductors and the effect of temperature on hall Coefficient.

Basic Semiconductor Physics-40

Pursuing B.Tech in Electronics and Communication from Lovely Professional University,  M.D at Club Illuminati.

Suraj Kumar Singh

This course covers Digital Electronics and Logic Gates.

Course on Digital Electronics

ME in Electronics and Communication  from SRTMU,Nanded|Worked as a lecturer in Government Polytechnic College|Now educator at Unacademy.

Komal Shinde

Basic Electronic Components (Solid State Devices)

Pursuing BTech from Ajay kumar Garg Engineering College. Have a good experience in teaching. Love to travel, sing .

Vishesh Maheshwari

In signal processing, data compression, source coding, or bit-rate reduction involves encoding information using fewer bits than the original representation. Compression can be either lossy or lossless. This course is about various compression techniques, and related algorithms.

Data Compression Techniques and its Algorithm

Currently serving The Nation as IES Officer. Worked in BEL, ONGC and went to IIT Roorkee for M.Tech. I love reading, traveling and Cricket. 

Vipin Kumar

This course explains optical behaviour of Semiconductor,optical devices,display Devices, Lasers

(Hindi) Optoelectronics - ESE - E and T Engineering

1000+ GATE lectures•University Syllabus Coverage•M.tech, B.tech (ECE), Former automation engineer•Jony Ive Award’18, Top Educator’17

Jigyasa Singh

The weightage of Digital Electronics in GATE is 8-12 marks. Hence, Jigyasa is presenting a a course to cover an important topic of this subject i.e. IC fabrication process. She takes you through led, solar cell, photolithography, etching, gate questions and much more.

(Hindi) Part 4: Electronic Devices and Circuits - Special Diodes and IC Fabrication

#Gate Ranker # Mtech from JEC Jabalpur. use code " MACHINE20" to attend my Classes. I don't teach "I simply explain the topic."

Ravendra Yadav

In this course we will be discussing about the questions asked in 2016 ESE in E & T Engineering in Electronic Devices and circuits.

Lessons

40 lessons • 6h 14m

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Semiconductor Basics: Part 1

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Basic Semiconductor Physics: Part 2

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Basic Semiconductor Physics: Part 3

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Basic Semiconductor Physics: Part 4

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Basic Semiconductor Physics: Part 5

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Basic Semiconductor Physics: Part 6

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Basic Semiconductor Physics- Part 7

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Basic Semiconductor Physics- Part 8

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Basic Semiconductor Physics- Part 9

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Basic Semiconductor Physics- Part 10

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