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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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True or false. No work needed.

Transcribed Image Text: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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