TerrieRichard8405
16.08.2020 •
Physics
A capacitor of capacitance C has charge Q and stored energy is U if the charge is increased to 2Q then energy will be A)4U B)2U C)U/2 D)U/4
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Ответ:
2u
Explanation:
2u
W = Vq
q = CV
W = V.CV
W = CV²
W/C = V²
V = √(W/C)
√(W1/C1) = √(W2/C2)
√(u/c) = √(x/2c)
x = 2u
Ответ:
as fast as I cm from my kunna ..the ss so much ..I can't even control