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10-RLC krugovi.pdf

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1LCR 2− t ⎡ 1 R ⎤2Lcos ⎢2⎥q = qme t −⎢⎣LCSlučaj 1:>2R4L2Tko uzrokuje gušenje?4L⎥⎦Argument funkcije kosinus je realan Oscilacije naboja su gušene, amplituda eksponencijalnoopada. PRIGUŠENO titranjeKutna frekvencija titranja:21 Rω = −LC 4LU ovisnosti vrijednosti unutar uglatezagrade imamo 3 slučaja:LC krugu smo dodali otpornik R Koeficijent gušenja je R/2L. Dodani otpornikigra ulogu trenja u mehaničkim sistemima.221 RT = 2π−2LC 4LSlučaj R

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