# Your question: Where is a homopolar motor used?

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The most common use of homopolar motors is in generators that are installed in electroplating process plants. The generators use direct current (DC) and low voltage, but the current in the motors is high enough to operate the heavy machinery.

## What are homopolar motors and how do they work?

A homopolar motor is one of the simplest motors built due to the fact that it uses direct current to power the motor in one direction. The magnet’s magnetic field pushes up towards the battery and the current that flows from the battery travels perpendicularly from the magnetic field.

## What is the name of simplest motor?

Introduce your students to one of the simplest devices, the homopolar or ‘one pole’ electric motor. Credited to Michael Faraday, it does not involve the polarity change of more complex motors.

## What is Fleming’s left hand rule?

The direction of the force can be found using Fleming’s left-hand rule. Hold your thumb, forefinger and second finger at right angles to each other: the forefinger is lined up with magnetic field lines pointing from north to south. the second finger is lined up with the current pointing from positive to negative.

## What is the meaning of Homopolar?

1 of a motor or generator : using or producing direct current without the use of commutators. 2 : of or relating to a union of atoms of like polarity : nonionic.

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## What caused the screw to turn into a magnet?

When the domains of a material align in the same way, the material itself produces a net magnetic field. Many kinds of nails, screws, tools and kitchen utensils are ferromagnetic. You can magnetize these and other ferromagnetic objects by exposing them to an existing magnetic field.