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421060
AC Theory
Description
Mind Map on AC Theory, created by alexlmharper1996 on 06/12/2013.
Mind Map by
alexlmharper1996
, updated more than 1 year ago
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Created by
alexlmharper1996
over 10 years ago
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Resource summary
AC Theory
electro-magnatism
lines of flux
lines of flux do not cross
lines of flux flow from north to south
flux can be the same but with different density
EMF
magnetic flux density = tesla(Wb/m(square))
magnetic flux= phi= (Wb)
AC sin wave
Frequency= f = Hz
Frequency= 1/time period
V avg=0.636*V peak
I avg= 0.636*V peak
V rms= 0.707*V peak
I rms= 0.707*V peak
V peak= 1.414* V peak
I peak= 1.414* I peak
Transformers
step up transformer
step down transformer
Delta/star
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