Electric motors

Electric motors are present in many areas of our lives. Let's learn about the different types.

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Generating alternating current

Electric current can be generated by rotating an armature loop in a magnetic field.

Electric bell

Mechanical bell that functions by means of an electromagnet.


A transformer is a device used for converting the voltage of electric current.

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two mediums with different...


Capacitors store electrical energy in the form of electric charge.

DC motor

DC motors consist of a permanent magnet and a coil within the magnet, with electric...

Dynamo (basic)

A dynamo converts mechanical energy into direct current.

Salt music

Watch this video to find out whether tap water and table salt are able to conduct electricity.

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