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# The capacitor in Fig. 32-7 is being charged with a 2.50 A current. The wire radius is

ISBN: 9781118230732 337

## Solution for problem 58 Chapter 32

Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Problem 58

The capacitor in Fig. 32-7 is being charged with a 2.50 A current. The wire radius is 1.50 mm, and the plate radius is 2.00 cm. Assume that the current i in the wire and the displacement current id in the capacitor gap are both uniformly distributed. What is the magnitude of the magnetic field due to i at the following radial distances from the wires center: (a) 1.00 mm (inside the wire), (b) 3.00 mm (outside the wire), and (c) 2.20 cm (outside the wire)? What is the magnitude of the magnetic field due to id at the following radial distances from the central axis between the plates: (d) 1.00 mm (inside the gap), (e) 3.00 mm (inside the gap), and (f) 2.20 cm (outside the gap)? (g) Explain why the fields at the two smaller radii are so different for the wire and the gap but the fields at the largest radius are not.

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Notes from Unit 1: Night Sky: Constellations – combinations of stars ­ Originally used by Mesopotamians, adopted and renamed by Greeks ­ 88 catalogued constellations ­ Where they are in the sky changes based on the rotation and orbit of the earth, different constellations are visible at different times of year Circumpolar- stars that are always on the visible horizon (from one of the...

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The capacitor in Fig. 32-7 is being charged with a 2.50 A current. The wire radius is

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