A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2. Determine the magnitude of the electric field 2.0 mm from the axis. Select one: a. 45.2 N/C b. 22.6 N/C c. 100 N/C d. 10 N/C e. 30 N/C

A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2. Determine the magnitude of the electric field 2.0 mm from the axis. Select one: a. 45.2 N/C b. 22.6 N/C c. 100 N/C d. 10 N/C e. 30 N/C

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter19: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 55P

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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

A long straight metal rod has a radius of 2.0
mm and a surface charge of density 0.40
nC/m2. Determine the magnitude of the
electric field 2.0 mm from the axis.
Select one:
a. 45.2 N/C
b. 22.6 N/C
c. 100 N/C
d. 10 N/C
e. 30 N/C

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