Absolute zero temperature is the lowest possible temperature which can be reached because at that point all the atoms and molecules stop moving. The Kelvin scale of temperature, starting at absolute zero as 0 kelvin (not zero degrees just zero Kelvin) is ...

From Roger Linsell

Electrical energy and electrical power are important measurements of machines. Energy in science is usually measured in joules but for domestic and commercial use it is measured and charged in kilowatt-hours. Power, the rate at which energy is used is mea...

From Roger Linsell

Electric current is the flow of electric charge, almost always the flow of electrons in a conductor. The lesson shows how a charge measured in coulombs flowing in a wire is an electric current in amps....

From Roger Linsell

Electric current is the flow of electric charge, almost always the flow of electrons in a conductor. The lesson shows how a charge measured in coulombs flowing in a wire is an electric current in amps....

From Roger Linsell

Fuses work by melting if the current is too high. The video is in three sections, explaining what a fuse does and how it works, a little about different fuses and then how to choose a fuse the right size. Notes and many earth wireother video lessons on ww...

From Roger Linsell

Electromagnetic induction is demonstrated showing how Faradays's Law and Lenzes Law applies. The demonstrations include induction in a single wire and then a coil cutting through a magnetic field, between two coils on the same core. It shows how an altern...

From Roger Linsell

Electromagnetic induction is demonstrated showing how Faradays's Law and Lenzes Law applies. The demonstrations include induction in a single wire and then a coil cutting through a magnetic field, between two coils on the same core. It shows how an altern...

From Roger Linsell

Magnetic fields around permanent magnets and electromagnets are shown and explained. This includes various permanent magnets , a single wire carrying a current and a coil. Lastly explaining how the strength of the field is increased by using an iron core....

From Roger Linsell

Magnetic fields around permanent magnets and electromagnets are shown and explained. This includes various permanent magnets , a single wire carrying a current and a coil. Lastly explaining how the strength of the field is increased by using an iron core....

From Roger Linsell

Nuclear fusion is the great hope of an abundant, cheap energy resource. Explaining the difference between fusion and fission and why both are possible in terms of the binding energy. Moving on to show why very high temperatures and pressures are essential...

From Roger Linsell

Nuclear fusion is the great hope of an abundant, cheap energy resource. Explaining the difference between fusion and fission and why both are possible in terms of the binding energy. Moving on to show why very high temperatures and pressures are essential...

From Roger Linsell

A guide to the two basic rules for rearranging equations for A level physics and GCSE/AS maths. Particularly applies to the equations of motion. Notes on vectors, forces and motion can be copied for free, from here:
http://www.fizzics.org...

From Roger Linsell

This video lesson runs through best way to draw a curved graph by hand and then illustrates the shape of the most common graphs used in Maths and Physics based on the equations Y= X squared (parabolic), 1/X, root X, e to the power X (exponential), log X, ...

From Roger Linsell

This video lesson runs through best way to draw a curved graph by hand and then illustrates the shape of the most common graphs used in Maths and Physics based on the equations Y= X squared (parabolic), 1/X, root X, e to the power X (exponential), log X, ...

From Roger Linsell

Graphs are an important visual means of proving and displaying numerical connections. Linear or straight line graphs are produced for example when plotting current against PD for a fixed resistance, distance against time for a given speed and the energy o...

From Roger Linsell

Graphs are an important visual means of proving and displaying numerical connections. Linear or straight line graphs are produced for example when plotting current against PD for a fixed resistance, distance against time for a given speed and the energy o...

From Roger Linsell

Bosons and fermions describe all stable fundamental particles (and a lot of unstable ones). The video defines the difference between them, with examples. Also showing that some composite particles such as hadrons and atoms can also be classified as bosons...

From Roger Linsell