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Alternating Current and Domestic Mains Electricity
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Three Core Cable
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The Plug
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Safety Devices
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Electrical Power in Circuits
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Power: Example A
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Power: Example B
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Electrical Power in Circuits
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Power: Example C
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Energy Transfer in Circuits
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Energy Transfer in Circuits: Example
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Power of Domestic Appliances
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The National Grid and Transformers
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Static Electricity
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Electric Fields
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Electric Field Between Parallel Plates
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Uses of Static Electricity - Photocopiers Etc
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Solids, Liquids and Gases
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Changing State
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Internal Energy
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Specific Latent Heat
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Specific Latent Heat: Example A
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Specific Latent Heat: Example B
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Heating and Cooling Curves
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Pressure of A Gas
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Pressure and Volume of a Gas
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Pressure and Volume of a Gas: Example A
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Pressure and Volume of a Gas: Example B
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Temperature of a Gas
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Alpha, Beta and Gamma Radiation
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Real Radioactive Sources
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Beta Plus
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Activity and Count-Rate
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Uses of Radiation
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Alpha Decay Equations
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Alpha Decay: Example
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Beta Decay Equations
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Beta Decay: Example
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Gamma Decay Equations
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Half-life of Radioisotopes
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Half-life: Example A
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Half-life: Example B
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Hazards of Radiation
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Background Radiation
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Uses of Radiation in Hospitals
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PET Scanners
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Nuclear Fission
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Fission Reactors
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Nuclear Fusion
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Drawing Free Body Diagrams
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Drawing Free Body Diagrams: Example
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Resolving Forces
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Vector Diagrams
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Resolving Forces: Example A
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Resolving Forces: Example B
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Work Done
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Work Done: Example A
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Work Done: Example B
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Elastic and Inelastic Deformation
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Stretching Springs - The Spring Constant
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Stretching Springs - The Energy Stored
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Springs: Example A
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Springs: Example B
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Moments
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Moments in Equilibrium
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Moments in Equilibrium: Example A
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Moments in Equilibrium: Example B
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Levers
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Gears
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Pressure of a Fluid
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Pressure at a Depth
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Pressure at a Depth: Example A
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Pressure at a Depth: Example B
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Upthrust, Floating and Sinking
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Upthrust: Example
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The Earth's Atmosphere
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v2-u2 = 2as
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v2-u2 = 2as: Example A
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v2-u2 = 2as: Example B
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Deriving v2-u2 = 2as
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Terminal Velocity
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Terminal Velocity Explained
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Terminal Velocity: Example
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Newton's First Law
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Newton's Second Law
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Using F=ma
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F=ma: Example A
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F=ma: Example B
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Inertia and Inertial Mass
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Newton's Third Law
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Newton's Third Law: Example
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Momentum
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Momentum: Example
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Conservation of Momentum
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Momentum Calculations
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Momentum Calculations: Example A
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Momentum Calculations: Example B
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Rate of Change of Momentum
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Safety Features and Momentum
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The Electromagnetic Spectrum
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Radio, Micro, IR And Visible
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UV, X-Rays, Gamma and Hazards
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Refraction
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Refraction Explained
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Refraction: Example
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How Radios Work
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Lenses
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How To Draw Ray Diagrams
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Ray Diagrams - Convex Lens
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Ray Diagrams - Convex Magnifying
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Convex: Example
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Ray Diagrams - Concave Lens
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Concave: Example
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Magnification
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Real and Virtual Images
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Images: Example
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Black Body Radiation
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Temperature and Infrared
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Temperature of The Earth
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The Magnetic Field Around a Wire
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Solenoids and their Magnetic Fields
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Electromagnet: Example
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The Motor Effect and Fleming's Left-Hand Rule
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Force on a Wire in A Magnetic Field
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Force on a Wire: Example
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How Electric Motors Work
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How Loudspeakers Work
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The Generator Effect
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Alternators and Dynamos
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Potential Difference Graphs
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PD Graph: Example
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How a Microphone Works
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Why Transformers Are Used
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How a Transformer Works
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The Transformer Equations
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Transformers: Example A
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Transformers: Example B
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Milky Way, Solar System, Planets and Moons
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Lifecycle of a Star Like Our Sun
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The Lifecycle of Massive Stars
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Fusion in Stars
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Circular Orbits
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Elliptical Orbits
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Red Shift and The Big Bang
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Steady State Theory
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Dark Matter and Dark Energy
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Observing the Universe and Telescopes