Magnetic Forces, Magnetic Materials and Inductance

UNIT – III

Chapter – 8

(b) Magnetic Forces, Magnetic Materials and Inductance

Syllabus

Magnetic force, Torque, Magnetic materials - Magnetization, Magnetic fieldin multifile media ~ boundary conditions ~ Magnetic circuits inductance, 'Energy density, Applications.

Contents

8.1 Introduction ... 8.2

8. 2 Force on a Moving Point Charge .... 8-2

Dec.-09, 17, Marks 4

8.3 Force on a Differential Current Element ..... 8-5

8.4 Force between Differential Current Elements . 8 - 7

Dec.-05, 07, 08, 09, 12, 13, May-04,10, 11, 12, Marks 16

8.5 Magnetic Torque and Magnetic Dipole Moment ….. 8 12

Dec.-12, 14, 17, May-16, 17, 18, 19 Marks 13

8.6 Nature of Magnetic Materials .... 8-18

Dec.- 05, 09,14,17, May-11, 18, Marks 8

8.7 Magnetization and Permeability ......... 8-22

Dec.-05, May-10, 18, Marks 10

8.8 Magnetic Boundary Conditions ....... 8-26

Dec.04, 11,14, 17, May-17, Marks 8

8.9 Magnetic Circuits .... 8-32

8.10 Inductance Self Inductance and Mutual Inductance ...... 8-36

May-12, Dec.-04, 12, 14, 16, Marks 10

8.11 Mutual Inductance between a Long, Straight Wire and Rectangular Loop Laying in Same Plane . …… 8 - 43

8.12 Magnetic Energy ........8-44

Dec.-09, 10, 11, 13, 14, May-04, 13,18, Marks 16

8.13 Applications ..…. 8-46

8.14 Two Marks Questions with Answers ..... 851

8.15 University Questions with Answers

(Long Answered Questions) …...8 - 57