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Magnetic field
Inductivity of toroidal and long cylindrical coils
inductance of toroidal and long cylindrical coils
L =
H
x
pH
nH
μH
mH
H
kH
permeability of vacuum
μ
0
=
1.257E-6
H/m
relative magnetic capacity of matter
μ =
turns number of coil
N =
area of lateral section of coil
S =
m
2
x
mm
2
cm
2
dm
2
m
2
km
2
a
ha
in
2
ft
2
yd
2
coil length
l
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
