2.5. Four equal point charges of 3.0 μC are held in place at the four corners of a square that is 4.0 mm on a side. These are the only charges in the region. (a) Explain clearly why the electric field at the center of the square will be zero if two of the charges, diagonally opposite each other, are positive, and the other two are negative. (b) Find the magnitude and direction of the electric field at the center if two charges on one side of the square are positive and the other two are negative. You will need to make sure to describe the arrangement of the charges in your coordinate system in order to correctly convey the direction of the field.
2.5. Four equal point charges of 3.0 μC are held in place at the four corners of a square that is 4.0 mm on a side. These are the only charges in the region. (a) Explain clearly why the electric field at the center of the square will be zero if two of the charges, diagonally opposite each other, are positive, and the other two are negative. (b) Find the magnitude and direction of the electric field at the center if two charges on one side of the square are positive and the other two are negative. You will need to make sure to describe the arrangement of the charges in your coordinate system in order to correctly convey the direction of the field.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter23: Electric Forces
Section: Chapter Questions
Problem 29PQ: Two particles with charges q1 and q2 are separated by a distance d, and each exerts an electric...
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I need help on this question. Could you please draw a diagram, or sketch. Could you also explain how your answers are reasonable and explain whether the answers are reasonable relative to the context provided in the question? Thank you.
Transcribed Image Text:2.5. Four equal point charges of 3.0 μC are held in place at the four corners of a square that is
4.0 mm on a side. These are the only charges in the region.
(a) Explain clearly why the electric field at the center of the square will be zero if two of the
charges, diagonally opposite each other, are positive, and the other two are negative.
(b) Find the magnitude and direction of the electric field at the center if two charges on one
side of the square are positive and the other two are negative. You will need to make
sure to describe the arrangement of the charges in your coordinate system in order to
correctly convey the direction of the field.
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