Figure 1 A magnet hovers above a superconductor
Superconductors are strongly diamagnetic, meaning that they repel magnetic fields (Figures 1 and 2).
The magnetic field B within a material placed inside a solenoid with N turns in length l and carrying a current I is:
Your organisation does not have access to this article.
Sign up today to give your students the edge they need to achieve their best grades with subject expertise
Subscribe