What are some applications of electromagnets in the development of new communication technologies?

Electromagnets are used extensively in loudspeakers. The frequency of the vibrations of sound can be transported electrically as changes in electrical flow. The 5403 Electromagnet is an variable gap C frame dipole electromagnet. It is used in research and industrial applications where a large pole gap and coil ... The three types of magnets are temporary, permanent, and electromagnets. Magnets are categorized by their source of magnetism. temporary magnet Screwdrivers can ... Mar 26, 2025 ... 2024 This includes magnetohydrodynamics – which uses plasmas controlled by electromagnets, instead of gases, to keep temperatures down. An electromagnet is a piece of construction equipment designed to generate a magnetic field and is often used for lifting, picking up and handling ferrous ... ... used to turn a propeller-like piece called a turbine ... When the rotor turns, it causes the field poles (the electromagnets) to move past the conductors mounted ... We use these observations to create MILiMAC (Microrobotic Infrastructure. Loaded into Magnetically-Actuated Catheter). MILiMAC is a flexible catheter employing ... Jul 27, 2020 ... They're the same until you need them to be the same, at which point you discover they are slightly different. H is "the magnetic field," while B ... Sep 21, 2019 ... The electromagnets are frequently used in all classes of electrical machines like motor, generator, speaker and magnetic imaging machine in the hospital. Turning off the current turns off the electromagnet. To understand how electromagnets are used in electric devices, we'll focus on two common devices ...