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Summary A Level AQA Physics Electric Field revision notes
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In depth notes on electric fields including photos and examples
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2ElectricField Strength (5)
Static
Electricity
- Electricity
-
Movement of
Charge (usually flow of elections) ↳ force
per unit
charge with
differing electr
materials where elections are free to more experience by an
object then work done
unductors
=
in an electric field electrostatic
around
force on the
3 formula for E
:
have movement of electrons
nulators usually because
they - charge (N)
-
are held in place either within an atom
(in the E F
for uniform
T Potential gra
bonding between them fields formed
SE occurs when Electrons are
added/removed to an object by parallel
The
·
object itself is either an INSULATOR Or PG
is insulated from its SURROUNDINGS Separation
between plates
electric field
permittivity of
charge
charge
·
A is therefore created on the obyect
Strength (NC -1)
Leaf Electroscope :
&
Like REPE) gold leaf lifts up When the top is
Charges
- .
ched or
charge removed >
-
System becomes RAL ↳ non-
fro
& GRAVITY pulls the leaf down
. vary
exerts SAME e
ball experiment
Shuttling everywher
in the
If
you suspend a ball (lated in conductive paint) between 2 HIGH VOLTAGE Plates field
force depends on
the DISTANCE
↳ L
will shuttle between them shown
between the two
The ball electrons at the plates & then REPELLED from it. by paralle lines
how to find wor done
charges
negative
is
gains
charged particle
by moving
a
↳ moves to positive then back -
plate &
discharge before swinging between the
parallel plates
to the NEGATIVE of a UF es
plate .
D
T
=
work done
EQ
1 =
T
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