A 200µF parallel plate capacitor having plateseparation of 5 mm is charged by a 100 V dcsource. It remains connected to the source. Usingan insulated handle, the distance between theplates is doubled and a dielectric slab of thickness5 mm and dielectric constant 10 is introducedbetween the plates. Explain with reason, how the(i) capacitance, (ii) electric field between the plates,(iii) energy density of the capacitor will change ?

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Answered: A 200µF parallel plate capacitor having…

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