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ELFORUM - Forumul electronistilor

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Nu stiu ce se intampla, cred ca incep sa uit, asa ca va rog ajutati-ma , care relatie e cea corecta, Uef=0,707*Uvv sau Uef=Uvv/2radical2, ...sau poate nu-i nici una buna?? :smt017 :smt102 :smt017 :smt102 PS.......nu cred ca-i cazul, dar totusi mentionez ca Uef, reprezinta tensiunea efectiva, iar Uvv, tensiunea varf la varf. :prayer:

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Uef=Uampl/(radical(2))Uampl=Uvv/2 ... la tensiune sinusoidalaDeci Uef=Uvv/(2*radical(2))Uampl este amplitudinea tensiunii sinusoidale, adica atat cat se duce tensiunea numai intr-o parte a axei timpului (Ox).

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