A complete summary of edexcel a level physics ’electric magnetic fields’ notes, handwritten by an A* physics student (2024), with definitions and diagrams. These notes are a combination of my teachers, physics and maths tutors and further reading to form a complete set of thorough notes.
FTID IDE
electric field
positive charge experiences
-
an area where a a
non-contact force
electric field strength
-
the force per unit charge on a particle
in the field
E For
:
=
↓
electric field strength (NC-
↑ pd of source (v)
~
↑
from positive S
E= - separation
places (m)
of to negative uniform field radial field
Coulomb's law the force between two
charged particles
-
Coulomb's
-
> constant
=
F=Q
k go 8 99x10" Nm2c
= -
& 27 =
8 .
85x10-2 Fm
(N) separation
force charge permitivity of free space
of particles(m)
electrostatic
potential energy
-
energy a particle has due to its
position
↑
in a field
Q
w = V =
-
electric potential-energy unit
charge positive to it
per for a
charge due
position in a field
, lines
equipotential if charge this No
-
line ,
a moves
along
WORK IS DONE
-
line of constant
potential
PERPENDICULAR field lines
-
always to
D
for two positive charges
-argaphs for positive and
negative charges
-
=
*Fr
> r
-
& in
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