MHT CET 2024 Physics question
Two identical capacitors A and B are connected in series to a battery of E.M.F., 'E'. Capacitor B contains a slab of dielectric constant K. and are the changes stored in A and B. when the dielectric slab is removed the corresponding charges are and . Then
Answer: (D)
Solution
Let each capacitor have capacitance without the slab. Initially A has and B has , so the series capacitance is and the charge on each (series, same charge) is . After removing the slab both are , so and $Q'_A =
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