The copper wire used in this project is 23 AWG.
Where:
N= Number of turns
µ0
= Permeability of coil (4π x 10-7)
r = Radius of coil
a = Radius of cross sectional
Inductance is typified by the behaviour of a coil of
wire in resisting any change of electric current through the coil. This
behaviour is followed by the Faraday’s Laws.
Faraday’s Laws stated:
Any change in the magnetic environment of a coil of
wire will cause a voltage(emf) to be induced in the coil. No matter how the
change is produced, the voltage will be generated. The change could be produced
by changing the magnetic field strength, moving a magnet toward or away from
the coil, moving the coil into or out of the magnetic field, rotating the coil
relative to the magnet, etc.
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