Faradays magnetic spark
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Faradays magnetic spark
Spark generator. A magnetic spark generator made in 1832 by British scientist Michael Faraday (1791-1867). It consists of an insulated copper coil wound around a bobbin. This is held between the poles of stacked permanent magnets. Rotating the bobbin sharply would produce an instantaneous current and enough voltage for a spark to be generated across a small gap between the open ends of the wire in air. This was a demonstration of the generation of electricity from a magnetic field and is the forerunner of the dynamo. This artefact is preserved at the Royal Institution, London
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9203979
© ROYAL INSTITUTION OF GREAT BRITAIN / SCIENCE PHOTO LIBRARY
1830s 1832 19th Artefact Century Coil Current Dynamo Electric Electrical Electricity Electromagnetic Energy Exhibit Exhibition Faraday Force Generator Institution Item London Magnet Magnetic Michael Museum Nineteenth Object Permanent Royal Spark Voltage Cutouts
EDITORS COMMENTS
This print showcases Faraday's magnetic spark generator, a groundbreaking invention created by the brilliant British scientist Michael Faraday in 1832. The image depicts an insulated copper coil wound around a bobbin, which is held between the poles of stacked permanent magnets. With a swift rotation of the bobbin, an instantaneous current is produced, generating enough voltage to create a spark across a small gap in the wire. Faraday's magnetic spark generator was not only an impressive display of electricity generation from a magnetic field but also served as the precursor to modern dynamos. This historical artifact can be found at the prestigious Royal Institution in London, where it is meticulously preserved for its significant contribution to scientific progress. The photograph captures this remarkable piece against a clean white background, allowing viewers to focus on its intricate details and appreciate its significance within the realm of electromagnetism. Its presence evokes feelings of awe and curiosity about how such simple yet ingenious contraptions paved the way for our understanding and utilization of electrical energy. As we gaze upon this relic from another era, we are reminded of Faraday's immense contributions to physics and his relentless pursuit of knowledge that continues to shape our world today. This image serves as both an educational tool and a testament to human ingenuity throughout history.
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