Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 21, Problem 17P
(a)
To determine
The electrostatic field direction at the numbered location.
(b)
To determine
The electrostatic field direction at the numbered location.
(c)
To determine
The electrostatic field direction at the numbered location.
(c)
To determine
The electrostatic field direction at the numbered location.
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Electric Field near a Long Wire
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Part A
At what distance from the wire is the magnitude of the electric field equal to 2.45 N/C ?
Use 8.85x10-12 C²/(N - m²) for the permittivity of free space, and use = 3.14159.
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Consider a KCl molecule as a dipole of a particle of charge +e (the K* ion) and a particle of charge -e (the Cl' ion) separated by a distance 1.1 x 1010 m. What is the magnitude of the electric field due to the KCI dipole at
the location indicated in the Figure which is r = 2.2 um from the center of the molekule, on the dipole axis?
A molecule consists of an electric dipole with charges q and -q equal to 1x10^-9 C separated by a distance of 0.5 nm. Assume that the masses of the two sides of the dipole are both equal to 1x10^-20 kg. The dipole is placed in a uniform electric field of magnitude 20,000 N/C.
a. The dipole is rotated from an angle of 0º to an angle of 45º with respect to the electric field by an external agent. Calculate the work done against the electric field.
b. Calculate the rotational inertia of the dipole about an axis passing through the center of mass.
c. The dipole is set into a small angle oscillation. Calculate the period of the oscillation.
Chapter 21 Solutions
Physics for Scientists and Engineers
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