Resistors | Electricity | Physics | FuseSchool

Resistors | Electricity | Physics | FuseSchool

Resisting means to withstand something and that’s what electrical resistors and resistance in an
electrical circuit does. In this video we’re going to learn about electrical resistance and resistors.

An electric current is the flow of electric charge (composed of negative electrons) through a
conductor. It is measured in coulombs per second also known as amps or amperes. The conductor is made of atoms joined in a metallic lattice of free electrons. As the current flows through the
conductor, the electrons collide with the atoms. Energy is thus transferred for example to heat. This
explains why a wire, with electricity flowing through it, often feels warm to the touch.

Animation & Design: Jean-Pierre Louw (
Narration: Dale Bennett
Script: Bethan Parry

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