Question

edu/bbcswebdav/pid-4946401-dt-content rid-22794299.1/courses/2191 10140/Hwk2003.pdt Problem 03 Acapacitor Ci-4up is charpd by .n initial puential difference Δ,-12V ee Fig 23.15a. The charging battery is then removed, an shown in Pig.23.15b, and the capacitor is connccted to the uncharged capacitor C2-2.P, as shown in Fig. 23.15e. (a) Find the final potential difference & Vr an well as Oit and Q (b) Find the stored enorgy before and afher the swiich is closed. Fig. 23. 15 Problem 04 Assume that the parallel-plate capacitor of Fig 23.10ahasa plate anaAs02㎡. separation distance d 10 Fm, and original potentual difference AV Mev A dielectric nlab of thickness a 5 x 10n and dielectric constanl 25 is inseried hetween the plates as showa in Fig. 23.10h (al Find the aagn npdes of the final electric field E im the slaby the final petential dafference A V between the plates, and the final capacitance C with the dielectric slab in plaxe tb) Find m expression for C in terms of C., a, d and x

Answer 1

The charge voltage difference and energy stored in capacitor

fbuni 6 2

Uif 192 X1o 4 OK LA