<Tr> <Td> L, M </Td> <Td> inductance </Td> <Td> henry </Td> <Td> </Td> <Td> kg ⋅ m ⋅ s ⋅ A (= Wb / A = V ⋅ s / A) </Td> </Tr> <Tr> <Td> μ </Td> <Td> permeability </Td> <Td> henry per metre </Td> <Td> H / m </Td> <Td> kg ⋅ m ⋅ s ⋅ A </Td> </Tr> <Tr> <Td> χ </Td> <Td> magnetic susceptibility </Td> <Td> (dimensionless) </Td> <Td>--</Td> <Td>--</Td> </Tr> <Tr> <Td> </Td> <Td> current density </Td> <Td> ampere per square metre </Td> <Td> A / m </Td> <Td> C ⋅ m ⋅ s </Td> </Tr>

Who is often credited with the discovery of electromagnetism