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Understanding Magnet's Electricity Generation Process

Learn how magnets generate electricity through the spinning of coils in generators, producing alternating and direct current. Explore the history of this innovation by Nikola Tesla and its impact on various inventions.

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Understanding Magnet's Electricity Generation Process

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Presentation Transcript

  1. Generators, AD & DC Power

  2. Unit Standards

  3. How can magnets produce electricity? • Generator- a device that creates electric current by spinning an electric coil between the poles of a magnet.

  4. How can magnets produce electricity? • Energy is used to turn the axle of the generator. • As the coil moves through the magnetic field, forces push on its electrons and create an electric current. • Wires attached to the loop allow the current to flow as the loop rotates.

  5. How can magnets produce electricity? • Whenever a loop moves past the pole of a magnet, the direction of the magnetic forces changes. This causes changes in the direction of the electric current.

  6. How can magnets produce electricity? • Alternating current- electric current that rapidly changes directions • Direct current- electric current that flows in one direction.

  7. How can magnets produce electricity? • In generators, there are several coils of wire that spin past many magnets. US generators produce alternating current that changes directions 120 times a second.

  8. How can magnets produce electricity? • Nikola Tesla was born in 1856 in Smiljan, Croatia, then part of the Austro-Hungarian Empire. • Some of his inventions: Alternating current, how light was harnessed and distributed, X-rays, radio, remote control, electric motor, robotics, lasers, and wireless communication

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