FortranMan said:it interacts with a magnetic field by repelling it, no matter which pole of the magnet faces the superconductor. It does so be using surface currents that generate an equal but opposite field to the applied field from the magnet. Also, are these surface currents superconducting or supercurrents in that they are flowing without resistance? Could one say they result from Lenz's law?
FortranMan said:Could one say they result from Lenz's law?
Superconductivity is a phenomenon in which certain materials can conduct electricity with zero resistance when cooled below a certain temperature, called the critical temperature. This means that electric current can flow through these materials without any loss of energy, resulting in extremely efficient electrical systems.
Superconductivity occurs when the electrons in a material pair up and move together in a coordinated manner, known as Cooper pairs. These pairs can move through the material without experiencing resistance, allowing for the zero-resistance flow of electricity.
Superconductivity has many practical applications, including in MRI machines, particle accelerators, and high-speed trains. It also has potential uses in energy storage, power transmission, and quantum computing.
One of the main challenges in achieving superconductivity at room temperature is finding materials that can maintain their superconducting properties at higher temperatures. Additionally, the cost and difficulty of producing and maintaining extremely low temperatures for superconductivity to occur is a major obstacle.
One potential drawback of superconductivity is that it requires extremely cold temperatures, which can be costly and difficult to maintain. In addition, the materials used for superconductors can be expensive and may have limited availability. There is also ongoing research to understand any potential health or environmental effects of using superconductors in various applications.