Question

(i) A parallel plate capacitor is charged by a battery to a potential. The battery is disconnected and a dielectric slab is inserted to completely fill the space between the plates. How will(a) its capacitance,(b) electric field between the plates and(c) energy stored in the capacitor be affected? Justify your answer giving necessary mathematical expressions for each case.(ii) Sketch the pattern of electric field lines due to(a) a conducting sphere having negative charge on it.(b) an electric dipole.

Answer 1

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