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Knowledge in physical science
industrial chemistry
Attached document has previous year paper of Industrial Chemistry for b.sc. physical science by Delhi University
Riya Goyal
Insulated Gate Bipolar Transistor
This is the introduction of Insulated Gate Bipolar Transistor (IGBT) and it's basis structure and functioning
Ishant Goel
I-V characteristics of IGBT
V-I characteristics of Insulated Gate Bipolar Transistor by graphical representation and explanation
Operating Principle
Operating Principle of Insulated Gate Bipolar Transistor: Creation of an inversion layer(by diagram), conductivity modulation and equivalent circuit and full explanation with diagrams
Switching Characteristics
This is the lecture of switching characteristics i.e switching characteristics of IGBT , definition of rise time and turn off time and its limitations
Safe Operating area
Introduction of safe operating areas and types of safe operating areas i.e Forward-bias SOA and Reverse-bias SOA
IGBT and MOSFET
This is the comparison between IGBT and MOSFET like maximum current rating, turn-on transients, etc
Solar cell
These are the notes of solar cell, it's definition, principle, it's construction with diagram and working... then there are characteristics of solar cell, material used in solar cell... And in last, there are advantages and disadvantages and uses of solar cell
Liquid Crystal display
Notes of liquid crystal display: it's definition, construction, working And types.... And in the last, advantages and disadvantages and applications of LCD are discussed
Photodetectors
Notes of photodetectors: types like silicon photodetectors, photomultipliers, phototransistors, etc And then properties of photodetectors
Photomultiplier tube
Introduction of photomultiplier tube, what scintilation detector consists of, and full working and functionality of photomultiplier tubes
Phototransistors
This is the lecture of photodiodes and phototransistors, it includes principle of photodiodes, construction and operational mode of photodetectors, working and characteristics