<Tr> <Td> ε (\ displaystyle \ varepsilon) </Td> <Td> Permittivity </Td> <Td> farad per metre </Td> <Td> F m − 1 = A 2 k g − 1 m − 3 s 4 (\ displaystyle \ mathrm (F \ m ^ (- 1) = A ^ (2) kg ^ (- 1) m ^ (- 3) s ^ (4))) </Td> </Tr> <Tr> <Td> χ e (\ displaystyle \! \ chi _ (e)) </Td> <Td> Electric susceptibility </Td> <Td> Dimensionless </Td> <Td> </Td> </Tr> <Tr> <Td> G; Υ; B (\ displaystyle G; \ \ Upsilon; \ \ mathrm (B)) </Td> <Td> Conductance; Admittance; Susceptance </Td> <Td> siemens </Td> <Td> S = Ω − 1 = k g − 1 A 2 m − 2 s 3 (\ displaystyle \ \ mathrm (S = \ Omega ^ (- 1) = kg ^ (- 1) A ^ (2) m ^ (- 2) s ^ (3))) </Td> </Tr> <Tr> <Td> γ, κ, σ (\ displaystyle \ gamma, \ \ kappa, \ \ sigma) </Td> <Td> Conductivity </Td> <Td> siemens per metre </Td> <Td> S m − 1 = A 2 k g − 1 m − 3 s 3 (\ displaystyle \ mathrm (S \ m ^ (- 1) = A ^ (2) kg ^ (- 1) m ^ (- 3) s ^ (3))) </Td> </Tr>

Explain the concept of origin of magnetism on the basis of circulating charges