Deflecting Coils

Deflecting Coils

Deflecting coils, also known as scanning coils, are electrical components used in cathode ray tubes (CRTs) and other electronic devices to control the movement of an electron beam. The coils are typically made of copper wire and are placed around the neck of the CRT or other device. When current is applied to the coils, a magnetic field is created that can deflect the electron beam in a particular direction. In CRTs, deflecting coils are used to move the electron beam across the screen, creating the images that we see. The horizontal deflection coils move the beam from left to right, while the vertical deflection coils move it up and down. By varying the current to the coils, the position of the beam can be precisely controlled, allowing for the creation of complex images and text. Deflecting coils are also used in other electronic devices, such as oscilloscopes and particle accelerators. In these applications, the coils are used to deflect a beam of electrons or other particles, allowing scientists to study their properties and behavior. Overall, deflecting coils are an essential component of many electronic devices, allowing for precise control of electron and particle beams. Their ability to manipulate these beams has led to many important discoveries in physics and other fields.

cathode ray tubes, electron beam, magnetic field, horizontal deflection, vertical deflection

— Joshua Wood