Calculate the strength and direction of the electric field, E, due to point charge of 1.8 nC at a distance 4.4 mm from the charge. For the direction, consider the line joining the point charge and point at the distance 4.4 mm. The direction on this line away from the charge is positive and the direction towards the charge is negative. E =    (b) What force does the electric field found in the previous example exert on a point charge of −2.5·10−8 C? Hint: Indicate a force pointing in the direction of the field as positive and opposite the field as negative. F=

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter23: Electric Forces
Section: Chapter Questions
Problem 28PQ: A 1.75-nC charged particle located at the origin is separated by a distance of 0.0825 m from a...
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(a) Calculate the strength and direction of the electric field, E, due to point charge of 1.8 nC at a distance 4.4 mm from the charge. For the direction, consider the line joining the point charge and point at the distance 4.4 mm. The direction on this line away from the charge is positive and the direction towards the charge is negative.


E = 

 

(b) What force does the electric field found in the previous example exert on a point charge of −2.5·10−8 C?

Hint: Indicate a force pointing in the direction of the field as positive and opposite the field as negative.


F=

 

 

 N

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