Homework 11 - homework 11 KANUNGO ANIL Latest unpenalized...

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homework 11 – KANUNGO, ANIL 1 Latest unpenalized work: Sep 28 2007 Friday 04:00 (after this date you can not make a perfect score). Work cutoff: Sep 29 2007, 4:00 am. Question 1, chap 26, sect 3. part 1 of 1 10 points A capacitor is constructed from two metal plates. The bottom portion is filled with air and the top portion is filled with material of dielectric constant κ . The plate area in the top region is the same as that in the bottom region. Neglect edge effects. κ E Determine the ratio U t U b of energy stored in the top portion to the bottom portion. 1. U t U b = κ + 1 2. U t U b = κ 3. U t U b = κ 2 4. U t U b = 1 κ 5. U t U b = 1 κ 2 6. U t U b = 2 κ + 1 7. U t U b = 1 2 κ 8. U t U b = 1 κ + 1 9. U t U b = 1 2 κ + 1 10. U t U b = 2 κ Question 2, chap 26, sect 3. part 1 of 2 10 points A capacitor is constructed from two square metal plates. The gap between the plates is filled with two dielectrics of equal size as shown in the figure below. Neglect edge ef- fects.
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