university of calcutta semester 4 physics paperphs-a-cc-4

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University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4-10-TH (OLD SYLLABUS) Barrier Formation of p-n junction diode, Static And Dynamic Resistance, Current flow mechanism in Forward and Reverse Biased condition, Derivation of Barrier Potential Dr. Koel Adhikary, Department of Physics Government Girls’ General Degree College

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Page 1: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

University of CalcuttaSemester 4

PHYSICSpaperPHS-A-CC-4-10-TH (OLD SYLLABUS)

Barrier Formation of p-n junction diode, Static And Dynamic Resistance, Current flow mechanism in

Forward and Reverse Biased condition, Derivation of Barrier Potential

Dr. Koel Adhikary,Department of Physics

Government Girls’ General Degree College

Page 2: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

BARRIER FORMATION IN PN JUNCTION DIODE

Page 3: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

STATIC AND DYNAMIC POTENTIAL

Page 4: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

INTRODUCTION OF CURRENT FLOW MECHANISM IN FORWARD AND REVERSE BIASED DIODE

Page 5: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

ZERO POTENTIAL

Page 6: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

FORWARD BIAS CONDITION

Page 7: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

REVERSE BIAS CONDITION

Page 8: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

SCHEMATIC DIAGRAM OF UNBIASED PN JUNCTION

Page 9: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4
Page 10: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4

EXPRESSION FOR BARRIER POTENTIAL

Page 11: University of Calcutta Semester 4 PHYSICS paperPHS-A-CC-4