Concept explainers
Two infinitely long, parallel lines of charge with linear charge densities 3.2 μC/m and −3.2 μC/m are separated by a distance of 0.50 m. What is the net electric field at points A, B, and C as shown in Figure P25.35?
FIGURE P25.35
The net electric field at points
Answer to Problem 35PQ
The net electric field at points
Explanation of Solution
Write the expression for finding the electric field due to first line charge.
Here,
Write the expression for finding the electric field due to second line charge.
Here,
Write the expression for the net electric field.
Here,
Conclusion:
The following figure gives the fields acting on the point
Substitute
Substitute
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The following figure gives the fields acting on the point
Substitute
Substitute
Substitute
The following figure gives the fields acting on the point
Substitute
Substitute
Substitute
Therefore, the net electric field at points
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Chapter 25 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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