Careful measurement of the electric field at the surface of a black box indicates that the net electric flux is going inward through the surface of the box is 9.0 kN-m2/C. What is the net charge inside this unknown box? (En = 8.854 × 10 12 C2/N-m²) O -80. pC O +80. nC O none of the given choices -80. nC O +80. pC

Careful measurement of the electric field at the surface of a black box indicates that the net electric flux is going inward through the surface of the box is 9.0 kN-m2/C. What is the net charge inside this unknown box? (En = 8.854 × 10 12 C2/N-m²) O -80. pC O +80. nC O none of the given choices -80. nC O +80. pC

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter6: Gauss's Law

Section: Chapter Questions

Problem 7CQ: (a) If the electric flux through a closed surface is zero, is the electric field necessarily zero at...

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