MHT CET 2026 Physics question
Two condensers of capacities, '2C' and 'C' are joined in parallel and charged upto potential 'V'. The battery is then disconnected and condenser of capacity 'C' is filled completely with a medium of dielectric constant 'K'. The potential difference across the capacitors in the second case is
Answer: (A)
Solution
Initially the parallel combination has capacitance and total charge . After the battery is disconnected the total charge stays constant. Filling the capacitor with a dielectric of constant changes its capacitance to , so the new
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