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405057
ENERGY AND ELECTRICITY
Descrição
HOPE THIS HELPS THIS IS ALL YOU WILL NEED TO KNOW FOR YOUR YEAR 9 ENERGY AND ELECTRICITY EXAM
Sem etiquetas
level 5
6
7 (approx.)
phyisics
science
science
physics
g.c.s.e
Mapa Mental por
Kieran C
, atualizado more than 1 year ago
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Criado por
Kieran C
mais de 10 anos atrás
53
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Resumo de Recurso
ENERGY AND ELECTRICITY
FORMS OF ENERGY
MAGNETIC
MAGNETS AND ELECTROMAGNETS
KINETIC
THE ENERGY IN MOVING OBJECTS
HEAT
THERMAL
LIGHT
RADIATION
GRAVITATIONAL POTENTIAL
STORED ENERGY IN RAISED OBJECTS
CHEMICAL
FOOD:FATS
SOUND ENERGY
ENERGY IS RELEASED IN VIBRATING OBJECTS
ELECTRICAL
ENERGY IN MOVING OR STATIC ELECTRICAL CHARGE
ELASTIC POTENTIAL
ENERGY STORED IN STRETCHED OR SQUISHED OBJECTS
NUCLEAR
STORED IN THE NUCLEAS OF ATOMS
DEFINITION OF
VOLTAGE
THE AMOUNT OF PUSH A CELL OR BATTERY HAS
POTENTIAL DIFFERANCE BETWEEN VOLTAGE LEVELS BEFORE AND AFTER A RESISTOR OF SOME SORT
HARD TO PASS THROUGH SOMETHING E.G. LIGHT BULB
VOLTS IS THE MESUREMENT
CURRENT
HOW EASY IT IS TO PUSH THE ELECTRONS ROUND A CIRCUIT
DIFFERENT CIRCUITS
PARALLEL
BULBS HAVE THERE OWN SEPERET CIRCIUT IN THE CURCIT
BULBS ARE ALL THE SAME BRIGHTNESS
IF ONE BLOWS THE OTHERS WONT AS IT ISNT THE MAIN CIRCIUT PART
SEIRES
ALL THE BULBS ARE ON THE SAME LOOP
CAUSES DIMMER SECOND BULB
AS THE ELECTRONS HAVE GOT HALF THE ELECTRICITY THEY STARTED WITH
IF ONE BLOWS THEY ALL BLOW AS THE ELECTRONS NEED TO PASS THROUGH ALL THE BULBS TO COMPLETE THE CIRCUIT
CELL IS A SINGLE BATTERY
EQUATIONS
THE TRIANGLE
V=I X R
R = V/I
I= V/R
OHMS LAW
V = IR
METHODS OF ELECTRICITY GENERATION
WIND
TURBINE
HYDROELECTRIC
GEP
WAVE
NEUCLEAR
BOOM!
SOLAR
PARALEL PHOTOVOLTIV CELL
FOSSIL FUELS
POLLUTION
BIOMASS
MAKES STEM TO POWER TURBINE
WOOD, DUNG
GEOTHERMAL
HEAT FROM THE EARTH
THE ELECTRICITY NETWORK
FROM PLANT
TO TRANSFUSER
TO NATIONAL GRID
TO OUR HOMES
TO OUR APPLIANCES
(ALL APPLIANCES WILL ALSO HAVE A TRANSFUSER IN TOO)
(MAKES IT SAFE)
ENERGY CHANGING
A LIGHT BULB MIGHT CREATE 10% LIGHT ENERGY BUT 90% HEAT ENERGY
THIS WOULD BE LESS EFFIECENT
COMMENLY HEAT IS THE WASTE PRODUCT
WE SHOW ENERGY USES IN A N ENERGY FLOW DIAGRAM
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