6514 Fw: 1 08 2009 . 22:58
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[ " "]

59232 1 08 2009 . 19:56
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- 2 2

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> - 2 2
W=I^2*R*t, W=I^2*R*t,
W2=(2*I^2)*(R/2)*t W2/W1=(2*I^2)*(R/2)*t/I^2*R*t=2! .., !


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