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Find the electric field (magnitude and direction) a
Chapter 2, Problem 2P(choose chapter or problem)
Problem 2P
Find the electric field (magnitude and direction) a distance z above the midpoint between equal and opposite charges (±q), a distance d apart (same as Example 2.1, except that the charge at x = +d/2 is −q).
Reference Example 2.1
Questions & Answers
QUESTION:
Problem 2P
Find the electric field (magnitude and direction) a distance z above the midpoint between equal and opposite charges (±q), a distance d apart (same as Example 2.1, except that the charge at x = +d/2 is −q).
Reference Example 2.1
ANSWER:
Solution 2P
Step 1 of 4:
The electric field is the region around a charge within which a test charge would experience a Coulomb force. Consider there are two equal and opposite charges separated by a very small distance d. These set up is sometimes called as a dipole. Assume that a point (P) is located at a distance z above the midpoint between the charges. The lines connecting the point P make an angle θ with the vertical. We are going to calculate the electric field at the point P.