Summary Notes AQA A-level Physics: Magnetic Fields
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Course
Magnetic Fields
Institution
AQA
Summary of the content in Magnetic Fields, including Electromagnetic Induction, Force on a moving charge, Transformers and etc. The notes were written according to the most recent specification. They include in depth explanations of each point in the spec, diagrams and key definitions as well as p...
~into the of the
Solenoid -
a coil ofa wire ⑪ page
p-oyge
When current flows in a
wire, a
field induced around
magnetic
is
the wire.
Motor effect
mean
-
When external
interacting with
an
magnetic field,
the will experience
wire force. a
I will force if the current
only experience a
perpendicular field
through is
it to the likes
Fleming's Left-Hand Rule
~ -
B flux
(magnetic density) -
magnetic
field
strength
ITesla (IT) the field strength that force of
produces a
=
magnetic
IN currentof 1 A
carrying in im wire
a a
flux density ength
of
↑ ~number I
tut
1:
F BIL
=
sinQ Itesla-
I current
.
, -
Magnetic flux
density
The force length a
acting per current
unit per unit on
current-carrying conductor placed perpendicular to the
field.
magnetic
Experiment:
~to alter the
current
Convertmass force
reading into (F-mg)
FUs I current)
Plot
·F BIL =)
gradient BL, B dent
= =
=
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