Concept explainers
(a)
The volume density of electric charge at
(a)
Answer to Problem 42P
Volume density of electric charge at
Explanation of Solution
Calculation:
Write the expression for electric flux.
Here,
As given, consider a box which extends from
Write the expression for net flux through the box.
Here,
Write the expression for the net flux from Gauss law.
Here,
Rewrite the above equation for
Conclusion:
Substitute
Substitute
Substitute
Substitute
Therefore volume charge density at
(b)
Whether the region of space could be inside the conductor.
(b)
Answer to Problem 42P
The region of space is not inside the conductor.
Explanation of Solution
The electric field inside a conductor should be zero but the region from
Conclusion:
Therefore, this region of space is not inside the conductor.
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Chapter 24 Solutions
Physics for Scientists and Engineers with Modern Physics, Technology Update
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