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[" 19.A parallel plate air capacitor of ...

[" 19.A parallel plate air capacitor of capacitance C "],[" is connected to a cell of emf "V" and then "],[" disconnected from it.A dielectric slab of "],[" dielectric constant k,which can just fill the air "],[" gap of the capacitor,is now inserted in it."],[" Which of the following is incorrect? "[2015]]

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