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A parallel-plate capacitor has charges Q and −Q on its two plates. A dielectric slab with K = 3 is then inserted into the space between the plates as shown in Fig. 24.20. Rank the following electric-field magnitudes in order from largest to smallest. (i) The field before the slab is inserted; (ii) the resultant field after the slab is inserted; (iii) the field due to the bound charges.
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