Summary Edexcel A Level Physics Student Book 1 - Unit 5 - Waves and Particle Nature of Light
Summary Edexcel A Level Physics Student Book 1 - Unit 4 - Materials
Summary notes for: Unit 2 - Mechanics (for Edexcel A Level Physics Student Book 1
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Written for
A/AS Level
PEARSON (PEARSON)
Phsyics 2015 Content-led approach
Unit 3 - Electric Circuits
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Electric
Circuits
, ① Definitions
Current : Current is the rate of flow of chased
particles
Potential difference :
Energy transferred per unit charge between two
points
Ohrislaw Current V = IR
:
is
directly proportional to pd :
Power : Rate of transfer of energy
Ent :
Fergy trastered by a cell per coulomb of charge
② Current-Voltage graphs
hmic conduction
~
W
I
I
v
follows Ohn's law , straight line
through origin
Semiconductor disde
-
-
u
- v I
only allows current flow direction the threshold voltage
post
in one .
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