Presentation physics A2-Level Physics Edexcel Complete Revision & Practice
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Course
Physics
Institution
GCSE
Have u everwondered what the formula Q=PT is
well now you know
plug in your energy cord and lets get to revising
boring i know but there is no gcse on sleep
Enjoy these electricity topic flash cards
and see you next time
whenever that'll be
2.1.1 Standard circuit diagram symbols
Circuit diagrams use standard symbols.
Students should be able to draw and interpret circuit diagrams.
22/12/24
,What is the source of energy in a
circuit?
Mains electricity is often used
to power electric circuits.
When mains electricity is
unsuitable, cells or batteries
can be used as the source of
electrical energy.
This remote control uses batteries.
Circuit symbol for a
cell
Circuit symbol
for a battery
V
, Modelling circuits
moped riders = electric
charge (i.e. electrons)
• pizza = electrical energy
• pizzeria = source of
electrical energy
• house = bulb (or other
device) that uses electrical
energy.
• 1 rider leaving the pizza
shop each second = •change in number of pizzas
1 ampere. carried by moped rider =
potential difference.
If the mopeds travelled
faster, the current would If each rider carried more
increase. pizzas, the potential difference
would increase
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