Experimental setup

Field coil

Cu wire:                5x9 mm² cross section

specific resistivity:        1.79 10^-8 (m

specific conductivity:        55.866 MS/m

insulation:                0.15 mm glasfibre-epoxy

coil dimensions:

inner diameter:        70 mm

layers:                        2 or 4

turns/layer:                24

layers

*) the values for the second halfwave are given in brackets

Samples

The data given by WebElements [6] for bulk material are:

Cu

specific resistivity:        1.7e-8 (m

specific conductivity:        58.82 MS/m

density:                8920 kg/m³ = 8.920 g/cm³

Al

specific resistivity:        2.65e-8 (m

specific conductivity:        37.74 MS/m

density:                2700 kg/m³ = 2.700 g/cm³

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