Resistivity of Coils
Variables (SI Units) Coil 1 Coil 2 Coil 3 Coil 4 Coil 5
10 10 20 20 10
Gauge (no.) No. 22 copper No. 28 copper No. 22 copper No. 28 copper No. 22 copper-nickel
1.72E-08 1.72E-08 1.72E-08 1.72E-08 TBD
Resistivity equation:
Length, L (m)
Resistivity,
(ohm×m)
Resistance, R (ohm)
Area, A (m2)
Radius, R (m)
R =
(L/A)
= (RA)/L A = (
L)/R