Verified answer

C1=εo*S/d

C2=εo*2*S/d=2*C1

W1=C1*U²/2

W2=C2*U²/2=2*W1 ответ в)

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C2=εo*S/(d/4)=4*C1

W1=q²/(2*C1)

W2=q²/(2*C2)=W1/4 ответ в)

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