a) The electric flux is proportional to the number of electric field lines that penetrate a surface. b) The volume charge density is defined as total charge per unit volume, p = Q/V (C/m²) c) The electric flux is zero when the surface is parallel to the electric field. d) A uniformly charged ring of radius 10 cm has a total charge of 75.0 μC. Therefore, the electric field on the axis of the ring at 30.0 cm from the center of the ring has a magnitude of about 6.39 x 106 N/C, away from the center of the ring. e) A spherical gaussian surface encloses a net charge of -4.0 nC. Therefore, the net electric flux through closed spherical surface is about - 452 N. m²/C

a) The electric flux is proportional to the number of electric field lines that penetrate a surface. b) The volume charge density is defined as total charge per unit volume, p = Q/V (C/m²) c) The electric flux is zero when the surface is parallel to the electric field. d) A uniformly charged ring of radius 10 cm has a total charge of 75.0 μC. Therefore, the electric field on the axis of the ring at 30.0 cm from the center of the ring has a magnitude of about 6.39 x 106 N/C, away from the center of the ring. e) A spherical gaussian surface encloses a net charge of -4.0 nC. Therefore, the net electric flux through closed spherical surface is about - 452 N. m²/C

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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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

True or false. No work needed.

a) The electric flux is proportional to the number of electric field lines that penetrate a surface.
b) The volume charge density is defined as total charge per unit volume, p = Q/V (C/m²)
c) The electric flux is zero when the surface is parallel to the electric field.
d) A uniformly charged ring of radius 10 cm has a total charge of 75.0 μC. Therefore, the electric
field on the axis of the ring at 30.0 cm from the center of the ring has a magnitude of about 6.39
x 106 N/C, away from the center of the ring.
e) A spherical gaussian surface encloses a net charge of -4.0 nC. Therefore, the net electric flux
through closed spherical surface is about - 452 N. m²/C

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