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A parallel plate capacitor filled with empty space has a capacitance C, it is charged to a potential difference Vo and then disconnected from charing source. then a slab of dielectric constant K, essentially as thick as the plate spacing is inserted part way between the plates. As a function of x, the distance of insertion, what is (a) Vx, the voltage across the plates (b) the energy stored in the field of the capacitor?. An instructor when demonstating this lost hold on the dielectric when it was halfway in (x=l/2). If the slab had a mass m and the plates were smooth, how fast was the slab moving when it completely filled the capacitor?

7 years ago

Answers : (1)

Sher Mohammad
IIT Delhi
askIITians Faculty
174 Points
							C= epsilon*A/d
the larger the sepration , the smaller will be the capistance.
sher mohammad
faculty askiitians, iit delhi
5 years ago
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