MP11 RCL Circuits and Resonance – Supplemental
For part V3 and V3’: The inductance
geom
L
of the coil can be calculated from the
geometry of the coil with the formula:
2
geom
A
Ln
l
μ
=
where
is the number of turns on the coil,
n
is the permeability of the material
inside the coil,
Aab
=
×
is the crosssectional area of the coil, and
l
is the length of
the coil.
Our coil has
turns.
10000
n
=
The approximate geometry for our coil is:
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 Spring '11
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 Lgeom

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