Two condensers of capacities 2C and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be
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answer is A.
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Detailed Solution
q1 = 2CV, q2 = CVNow condenser of capacity C is filled with dielectric K, therefore C2 = KCAs charge is conserved
Two condensers of capacities 2C and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be