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Magnetism

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These notes provide you all of the concepts of magnetism required for any engineering competitive exams or any school exams with well categorised topics and information

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forTEEM-ai-nsonhfB.FR
-
MAGNET: .




Bar is
magnet . a
magnetic
dipole having magnetic charge Geum)
placed at some
distance
known
Magnetic charge is as


te
☒ •
strength .




a-
d -



-0 ④
-

Am
aim
Ñ= amid

,-
Am Represents South pole
North pole
+9m
Represent
a- d -



S É N M =
Wmd
- UM Am
Buck
di da
s → N S -5 N


arm +9m -9m
qm
-




Ñ Wmd , The
,
Wmds
=
=


Ñ, tÑh= dvmlditdrl
M→i+Ñh= Wmd = M




S N S N S N S S N
N

, i ← e -
n

mmmmmore
☐ ☐ DD DDD ☐ ☐ ☐☐☐ ☐ ☐ ☐ ☐☐


S - N
-
am +9m

Magnetic moment
of one
loop
= i a- it


Total magnetic moment
of solenoid

M =
(me) i AM


Magnetic moment
of corresponding
bar
magnet =
M = ne init

, pole strength Bar
of magnet

Gm
My niñst
=
=




Solenoid can be assumed
as a
big bar
magnet
M= gone
← e-

-




gem +9m

Ñh + Ñh = M

QI gym 9¥
=
-

e



ALI 0-7 AIL
-




Mr =

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Institution
Secondary school
Course
School year
1

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Uploaded on
August 22, 2025
Number of pages
37
Written in
2025/2026
Type
Class notes
Professor(s)
Mr. mahendra awasthy
Contains
All classes

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