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у (ст) 2- 2V 1 V -0V 1- -1 V B. --2 V x (cm) 2 FIGURE P21.83

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 58PE: -gauge copper wire has a diameter of 9.266 mm. Calculate the power loss in a kilometer of such wire...

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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

Figure shows a series of equipotential curves.
a. Is the electric field strength at point A larger than, smaller than, or equal to the field strength at point B? Explain.
b. Is the electric field strength at point C larger than, smaller than, or equal to the field strength at point D? Explain.
c. Determine the electric field E^→ at point D. Express your answer as a magnitude and direction.

у (ст)
2-
2V
1 V
-0V
1-
-1 V
B.
--2 V
x (cm)
2
FIGURE P21.83

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