Two identical capacitors 1 and 2 are connected in series to a battery as shown in figure. Capaci....

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Two identical capacitors 1 and 2 are connected in series to a battery as shown in figure. Capacitor 2 contains a dielectric slab of dielectric constant k as shown. Q1 and Q2 are the charges stored in the capacitors. Now the dielectric slab is removed and the corresponding charges are Q1' and Q2'. Then
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