Conductors, Dielectrics and Capacitance

UNIT – II

Chapter - 5

(b) Conductors, Dielectrics and Capacitance

Syllabus

"Uniform andwon-uniform field, "Utilization factor - Electric fieldin free space, Conductors, Dielectrics ~ Dielectric polarization ~ Dielectric strecjtl ~ Electric field in multiple dielectrics ~ boundary conditions, Capacitance.

Contents

5.1 Introduction …. 5-2

5.2 Current and Current Density …. 5-2

May-03, Marks 6

5.3 Continuity Equation …. 5-6

May-03, Dec.-02, Marks 8

5.4 Conductors …. 5-7

May-08, Marks 4

5.5 Relaxation Time …. 5-7

5.6 Dielectric Materials …. 5-11

May-04, 18, Dec.-06, 12, 14, 17, 18, Nov.-03, 11, Marks 16

5.7 Boundary Conditions        …. 5-14

5.8 Boundary Conditions between Conductor and Free Space …. 5-15

May-10, 18, Dec.-13, 18, Marks 5

5.9 Boundary Conditions between Two Perfect Dielectrics … 5-18

May-07, 08, 10, 12, 13, 17, 18, Dec.-04, 05, 08, 11, 12, 13, 14, 17, 18, Marks 10

5.10 Concept of Capacitance …. 5-24

Dec.-18, Marks 2

5.11 Capacitors in Series        …. 5-25

5.12 Capacitors in Parallel …. 5-25

May-04, Marks 8

5.13 Parallel Plate Capacitor …. 5-26

May-95, 04, 06, 10, 14, 17, Marks 8

5.14 Capacitance of a Co-axial Cable         …. 5-30

May-05, 14, Dec.-03,06,08, Marks 16

5.15 Spherical Capacitor         …. 5-32

Dec.-03, 06, May-04, 06, 09,19, Marks 16

5.16 Composite Parallel Plate Capacitor (Mixed Dielectrics) …. 5-35

May-05,10, 18, Dec.-13,16,17, Marks 16

5.17 Energy Stored in a Capacitor …. 5-38

May-96, 04, 05, 06, 08, 13, Dec.-03, 14, 17, 18, Marks 8

5.18 Two Marks Questions with Answers …. 5-41

5.19 University Questions with Answers

(Long Answered Questions) …. 5-47