explain by words please (24 points total) Back to having fun with units of measu

Question

explain by words please

(24 points total) Back to having fun with units of measure! I have stated that the entire electromagnetic system requires only one new basic unit of measure--either the coulomb (C) for charge, or the ampere (A) for current. We have been using the coulomb as our new basic unit. Thus all electric and magnetic units of measure can be expressed in terms of the basic four: meter kilogram, second and coulomb. Your task here is to express all of the electric and magnetic units in terms of the basic four. These include the volt, ampere, ohm, farad, tesla, weber, and henry. Also express the permittivity and permeability in terms of basic units. Show how you derived your results. 2.

Explanation / Answer

Volts = N m/C = kgm2s-2 /C

Ampere = A = C/s

ohm = V/i = (kgm2s-2 /C)/(C/s) = kg m2s-1 /C2

Farad = Q/V = C/(kgm2s-2 /C) = C2/(kgm2s-2 )

Tesla = F/(qv) = (kgm s-2 )/(C ms-1) = kgs-1/C

weber = F/(qv) = (kgm s-2 )/(C ms-1) = kgs-1/C

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