J5-04: MAGNETS J5-04 Show various magnets A varied collection of magnets is presented, including bar magnets, horseshoe magnets, disc magnets, ring magnets, and rare earth magnets. Ask about other types of magnets. J5 PHYS121 ASTR 100 PHYS270 PHYS272 PHYS115 PHYS122 PHYS142 Magnetic Materials