Science

• Alternator vehicle engines produce alternating current.
• Comutator- produce direct current.
• Armature- coiled copper.
• Dynamo- generator that produce DC.
• Generator- converts mechanical to electrical energy.
• Shaded Pole Motor single phase.
• Induction Motor- runs at a speed Faradaydisk- firt electrical generator.
• Universal Motor- powerful motor.
• Synchronous Motor- developed in 1925.
• Ac alternates direction.
• DC first kind of electric motor.
• Field Magnet permanent magnet.
• Hans Christian Oersted-discovend electre corient creates magnetic field.
• Andrei Marie Ampere can create magnetic repulsion:
• Torqure- cross product
• Electro Magnetism- branch
• Transformer -electrical device
• Lens- molded piece
• Shutter- adjust length of time
• Arpeture- adjust amount of light
• Binoculars and Telescopes- make them appion closer.
• Glasses - Opticians (rearsightedness-myopia)
• Cameras- photographs
• Flashcard>Lassers- highly focused
• kepholes Small security device