Evaluation:
Published: 27.04.2004.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
  • Essays 'How an Electric Motor Works', 1.
Extract

A Direct Current Motor has 6 essential parts: armature, or rotor; commutator; brushes; axle; field magnet; and a DC power supply. With an understanding of magnets and magnetism, these 6 parts become a motor.The first step in understanding a dc motor is an electromagnet. An electromagnet is a magnet consisting, essentially, of a coil of insulated wire wrapped around a soft iron core that is magnetized only when current flows through the wire. Simple put, an electromagnet is a piece of metal, in a rectangular shape, with a wire coiled around it. …

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