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Question

An air capacitor of capacity C=10 μF is connected to a constant voltage battery of 12 V. Now the space between the plates is filled with a liquid of dielectric constant 5. The excess charge that flows now from battery to the capacitor is
  1. 120 μC
  2. 600 μC 
  3. 240 μC 
  4. 480 μC 


Solution

The correct option is D 480 μC 
Charge that flows from battery to capacitor
=(K1) CV
=(51)10×12 μC=480 μC

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