Лаг1989 задача №14.2

A capacitor with a capacity of C₁ = 1 μF withstands a voltage of no more than U₁ = 6 kV, and a capacitor with a capacity of C₂ = 2 μF - no more than U₂ = 4 kV. What voltage U can a system of these two capacitors withstand when connected in series?

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