Concept explainers
(a)
The electric potential due to the two charges at the origin.
(a)
Answer to Problem 27PQ
The electric potential due to the two charges at the origin is
Explanation of Solution
The total electric potential at origin is the sum of the potential from individual charges.
Write the expression for total electric potential.
Here,
Conclusion:
Substitute,
Therefore, the electric potential due to the two charges at the origin is
(b)
The electric potential due to the two charges at
(b)
Answer to Problem 27PQ
The electric potential due to the two charges at
Explanation of Solution
The first
Write the expression for the distance between two points if the coordinates are given.
For
Use equation (I) to find the potential due to two charges at
Conclusion:
Substitute,
Substitute,
Substitute,
Therefore, the electric potential due to the two charges at
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Chapter 26 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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