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*To*: tesla@xxxxxxxxxx*Subject*: Units of electricity*From*: "Tesla list" <tesla@xxxxxxxxxx>*Date*: Wed, 23 Aug 2006 06:59:05 -0600*Delivered-to*: testla@xxxxxxxxxx*Delivered-to*: tesla@xxxxxxxxxx*Old-return-path*: <vardan01@xxxxxxxxxxxxxxxxxxxxxxx>*Resent-date*: Wed, 23 Aug 2006 06:59:21 -0600 (MDT)*Resent-from*: tesla@xxxxxxxxxx*Resent-message-id*: <f2DmsTjnU5P.A.Os.pEF7EB@chip1>*Resent-sender*: tesla-request@xxxxxxxxxx

Original poster: Jared E Dwarshuis <jdwarshui@xxxxxxxxx> The mechanical units of electricity: I have often pondered why there are so many close analogies between the mechanical world and the electrical world. Certainly it is true that force was pivotal in defining electricity, but there is an overall pattern that emerges in the intrinsic properties. We start by playing a simple algebra game with the fundamental unit of charge "q" We multiply meters by both the numerator and denominator and write: q = m ( As/m ) I = m/s ( As/m ) d(I)/dt = m/(ss) ( As/m ) Whenever we encounter a unit of electricity and see Amp's. We must group it to satisfy: ( As/m) Also known as: (Coulombs per meter) Thus Voltage with the units of: kg mm 1/sss 1/A gets written as: kg m/ ss (m/As) Or simply: Voltage = Force (m/As) E = kg/ss (m/As) Resistance = kg/s (m/As)sqrd Capacitance = ss/kg (As/m)sqrd Permittivity = ss/ m kg (As/m)sqrd Magnetic flux = kg m/s (m/As) B = kg/ms (m/As) L = kg (m/As)sqrd Permeability = kg/m (m/As)sqrd Force = Mass x Acceleration and Voltage = L dI/dt are now equivalent Force = kx and q = CV are now equivalent Newton's second law and Lenz law are now equivalent The expressions for impedance are now equivalent to the mechanical world. u e = density/force = ss/mm Esqrd e = Bsqrd /u = density times velocity squared = pressure (incompressible fluid flow) I hope this will aid people in conceptually understanding electricity a little bit better. Sincerely Jared Dwarshuis August 23, 2006

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