Electric motors

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

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

DC motor

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

Electric bell

Mechanical bell that functions by means of an electromagnet.

Dynamo (intermediate)

A dynamo converts mechanical energy into direct current.

The reflection and refraction of light

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

Generators and electric motors

While generators convert mechanical energy into electrical energy, electric motors...

Salt music

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

Nikola Tesla's laboratory (Shoreham, USA)

This physicist-inventor and electrical engineer who mainly dealt with electrotechnics was...

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