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Summary Further Studies Physics IEB/ISC Topic 5 Charged particles R75,00
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Summary Further Studies Physics IEB/ISC Topic 5 Charged particles
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Ace your further studies physics exam with my concise and clear Topic 5 charged particle notes notes. These notes cover electrical and magnetic fields, how charged particles behave in them as well as applications in real life and include practice questions and answers. Designed to save you time and...

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  • July 6, 2024
  • 10
  • 2023/2024
  • Summary

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  • further studies physics iebisc

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T5 charged particles in electric and magnetic fields


41 Electric fields

Electric field Strength and Electric field lines
same as as in core


Uniform electric field
Fieldbetween parallel plate
Created by connecting to plates to obtain a potential difference
+ Side of plate is attached to
+ side batters (long SideI
Vice verso for -




Potential difference for
parallel plates
Work to I c change from the the lower potential
done of
plate with to
+
more the one
with higher potential
work

v = total charge
Equations
E = /from corel
Always Valid
E =
Valid for parallel plates
V= Potential difference d =
distance from plates
Equate them
F =
E and F constant everywhere between plates except at
edge




charged particles in uniform electric field
Particles attracted to plate of
opposite charge
Facing on
particle is vertical
Horizontal v is constant (ax =
0
Feles field acts on
particle
Ey also acts


Neutral particles
Fy is negligible due to small mass
undefletched
Equations
#net =
ma F =
ma =
g
ad
V
-
m
charge to mass Natio

Used to calculate mass/acceleration

Work energy and potential difference
Work energy thereom is used
Whet AE =
,

When no other forces appl
Combine differents
~ potential and work
energy
V= W net = Ei
: VQ =
W =
AEK
As
particle moves from 'plate to another Ep DER
Negative particle
Spontaneously mores from -

to +
plate
Electrical Ep DEx as is moves

Work is done by electric field
Non-spontaneously more from +
to-plate
External force must do work

, E=
3500
=

(2 5+,
,
%" ~
- "

14 104 V -


sin)
=
+ m to
place
.




- -v
v =
v


#B
-
v =
3500
=
+p
W =
5
,
607 + ,0 65

Whet = Ei
E = 5 [( , +")v2 Em()
607 + 1 6 =
-
-




6 ,
=

6 + 102 01
v =
3 , 51 +,


V +
100
towors
=

O
m
place
.




Some Force and work is applied , due to increase in mass ,
increase

in finid U

F = 19
Different
-




direction
-



4)
=
(400/1 ,
602 + 10
-


0 825
,
X
-
=
2, 5+ 10-N founds o plata


W constant a)
uniformly increasing




t




A
-




negitive
=
~

B: negitive
slightly
C :
Slightly positive
~
D =
Positive




Electric field and Malkin's experiment
Aim : To determine charge of e

Basic idea
charge oil
droplets due to friction as oil is sprayed through a nozzle
Balance droplet between parelle) plates
Hanging or constant motio
To be able to balance , droplet must repel from bottom plate
Felectrostatic
g




Eg


Eg Feles
E
=


E
=


my
=


L
Eg
my = q

mgd
: . v
q
=




Since volume was known Hr" for Sphere) and moss/p E =

density
could calculate charge
Results
All multiples of 1
,
6710 (

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