1. A flat rectangle is placed in a uniform electric field with a magnitude of 7.8 x 103 N/C. The electric flux through the rectangle when its face is 45º to the field lines is 89.75 Nm2/C. Find the width of the flat rectangle with a length of 9. 45cm.3. A hollow sphere has an unknown charges distributed uniformly over its surface. At a distance of 0.63 m from the center of the sphere, the electric field points radially inward and has magnitude of 4.56 x103 N/C. How much charge is on the sphere? 4. The figure below shows six point charges that all lie in the same plane. FiveGaussian surfaces: G1, R2, A3, C4, E5 each enclose part of this plane. The figureshows the intersection of each surface with the plane. The value of thepermittivity of free space is ɛ0= 8.85 x 10 -12 c²/ N.m2.(25 points; 5 points each)Find the net electric flux through each of the following closed surfaces:1. G12. R23. Аз4. C45. E5R2+9.0 με5.0 με+6.0 µCEs4+3.0 µC+8.0 µC-11.0 με 2. A disk of radius 196 mm is oriented with its normal unit vector în at 60° to auniform electric field of magnitude 5.87 x 103 N/C. (a)What is the electric fluxthrough the disk? (b) What is the flux through the disk if n is parallel toîn60°

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Answered: A flat rectangle is placed in a uniform…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter18: Electric Charge And Electric Field

Section: Chapter Questions

Problem 10CQ: Using Figure 18.43, explain, in terms of Coulomb's law, why a polar molecule (such as in Figure...

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1. A flat rectangle is placed in a uniform electric field with a magnitude of 7.8 x 103 N/C. The electric flux through the rectangle when its face is 45º to the field lines is 89.75 Nm2/C. Find the width of the flat rectangle with a length of 9. 45cm. 3. A hollow sphere has an unknown charges distributed uniformly over its surface. At a distance of 0.63 m from the center of the sphere, the electric field points radially inward and has magnitude of 4.56 x103 N/C. How much charge is on the sphere?

4. The figure below shows six point charges that all lie in the same plane. Five
Gaussian surfaces: G1, R2, A3, C4, E5 each enclose part of this plane. The figure
shows the intersection of each surface with the plane. The value of the
permittivity of free space is ɛ0= 8.85 x 10 -12 c²/ N.m2.
(25 points; 5 points each)
Find the net electric flux through each of the following closed surfaces:
1. G1
2. R2
3. Аз
4. C4
5. E5
R2
+9.0 με
5.0 με
+6.0 µC
Es4
+3.0 µC
+8.0 µC
-11.0 με

2. A disk of radius 196 mm is oriented with its normal unit vector în at 60° to a
uniform electric field of magnitude 5.87 x 103 N/C. (a)What is the electric flux
through the disk? (b) What is the flux through the disk if n is parallel to
în
60°

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