MHT CET 2024 Physics question
Two parallel plate air capacitors of same capacity 'C' are connected in series to a battery of emf 'E'. then one if the capacitors is completely filled with dielectric material of constant 'K'. the change in the effective capacity of the series combination is
Answer: (C)
Solution
Initially, two capacitors in series give . After one is completely filled with the dielectric its capacitance becomes , so . The change in effective capacity is C_fC_i$
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