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fyzika

Prosím

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a) I = U1/R1 = 6/200 = 3/100 = 0,03 A
b) U2 = I.R2 = 0,03.300 = 9 V
c) U = U1 + U2 = 6 + 9 = 15 V
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Máš vypočítané ale po c) "neviem čo tím myslia
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