Historical clue formulations

• German physicist after whom a unit of magnetism is named — 2022-01-27
• Magnetic induction unit — 2020-09-24
• Magnetic induction unit — 2015-06-21
• Eponymous German physicist — 2014-06-20
• See 88-Across — 2011-07-10
• Magnetic induction unit — 2010-07-25
• Magnetic induction unit — 2007-11-11
• Magnetic induction unit — 2006-06-14
• .0001 tesla — 2002-03-23
• Magnetic induction unit — 1998-05-15