You have been given a parallel plate air capacitor having capacitance C, a battery of emf ε and three dielectric blocks having dielectric constants K1,K2andK3 such that K1>K2>K3. Describe a sequence of steps such as connecting or disconnecting the capacitor to the battery, inserting or taking out of one of the dielectrics etc -so that the capacitor ends up having maximum possible energy stored in it. [Each dielectric block fills completely the space between the plates]. Write this maximum energy.
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