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A parallel plate capacitor is connected to an ideal battery with voltage V. While the battery is stif connected, a slab with dielectric constant k is inserted between the plates. Which of the following is TRUE regarding the electric field Eand the stored energy U? A. E increases, U increases B. Edecreases, U decreases C. E remains the same, U increases D. E remains the same, U remains the same Given a cylindrical conductor of radius 1.50 mm with current density 2.50 A/m and free-electron density of 8.00 x 1028 m 3. What is the drift speed? A. 1.95 x 10 10 m/s B. 1.95 x 10 18 m/s C. 2.76 x 10 m/s 13 D. 2.76 x 10 m/s

A parallel plate capacitor is connected to an ideal battery with voltage V. While the battery is stif connected, a slab with dielectric constant k is inserted between the plates. Which of the following is TRUE regarding the electric field Eand the stored energy U? A. E increases, U increases B. Edecreases, U decreases C. E remains the same, U increases D. E remains the same, U remains the same Given a cylindrical conductor of radius 1.50 mm with current density 2.50 A/m and free-electron density of 8.00 x 1028 m 3. What is the drift speed? A. 1.95 x 10 10 m/s B. 1.95 x 10 18 m/s C. 2.76 x 10 m/s 13 D. 2.76 x 10 m/s

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A parallel plate capacitor is connected to an ideal battery with voltage V. While the battery is stil connected, a slab with dielectric constant k is inserted between the plates. Which of the following is TRUE regarding the electric field E and the stored energy U? A. Eincreases, U increases B. E decreases, U decreases C. Eremains the same, U increases D. E remains the same, U remains the same Given a cylindrical conductor of radius 1.50 mm with current density 2.50 A/m and free-electron density of 8.00 x 1028 m 3 What is the drift speed? А. 1.95 x 10 10 m/s 18 B. 1.95 x 10 m/s 5 C. 2.76 x 10 $m/s D. 2.76 x 10 1 m/s
Transcribed Image Text:A parallel plate capacitor is connected to an ideal battery with voltage V. While the battery is stil connected, a slab with dielectric constant k is inserted between the plates. Which of the following is TRUE regarding the electric field E and the stored energy U? A. Eincreases, U increases B. E decreases, U decreases C. Eremains the same, U increases D. E remains the same, U remains the same Given a cylindrical conductor of radius 1.50 mm with current density 2.50 A/m and free-electron density of 8.00 x 1028 m 3 What is the drift speed? А. 1.95 x 10 10 m/s 18 B. 1.95 x 10 m/s 5 C. 2.76 x 10 $m/s D. 2.76 x 10 1 m/s
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