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Electrical components

  • TransistorIn 1925, physicist Julius Edgar Lilienfeld filed a patent in Canada for a field-effect transistor. He intended this device as a solid-state replacement for…
  • Electric lightIn 1802, Vasily Vladimirovich Petrov developed the first persistent electric arc. This breakthrough followed Alessandro Volta's creation of the voltaic pile…
  • Vacuum tubeIn 1904, John Ambrose Fleming patented a device called the oscillation valve. This invention marked the birth of modern electronics by controlling electric…