Wednesday 12 November 2014

FYP 2 (WEEK 6)

The copper wire used in this project is 23 AWG.

Calculation of coil inductance:

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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