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Unformatted text preview: U 2 for capacitor 2? 4. 25-50: Figure 25-49 shows a parallel-plate capacitor of plate area A = 10.5 cm 2 and plate separation 2 d = 7.12 mm. The left half of the gap is filled with material of dielectric constant κ 1 = 21.0; the top of the right half is filled with material of dielectric constant κ 2 = 42.0; the bottom of the right half is filled with material of dielectric constant κ 3 = 58.0. What is the capacitance? 5. 25-54: Two parallel plates of area 100 cm 2 are given charges of equal magnitudes 8.9 × 10-7 C but opposite signs. The electric field within the dielectric material filling the space between the plates is 1.4 × 10 6 V/m. (a) Calculate the dielectric constant of the material. (b) Determine the magnitude of the charge induced on each dielectric surface....
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This note was uploaded on 02/07/2011 for the course PHY 21 taught by Professor Hickman during the Spring '08 term at Lehigh University .
- Spring '08