- 5. (Ch. 21 Example Variation 42 in Wolfson) An infinitely long rod carries a uniform volume charge density p (in C/m³). (a) Use Gauss's law to show that the magnitude of the electric field inside the rod, as a function of distance r from the rod's axis, is E = pr/2€0. (b) Similarly, show that the field outside the rod is E = pR²/2€or.
- 5. (Ch. 21 Example Variation 42 in Wolfson) An infinitely long rod carries a uniform volume charge density p (in C/m³). (a) Use Gauss's law to show that the magnitude of the electric field inside the rod, as a function of distance r from the rod's axis, is E = pr/2€0. (b) Similarly, show that the field outside the rod is E = pR²/2€or.
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Transcribed Image Text:5. (Ch. 21 - Example Variation 42 in Wolfson) An infinitely long rod carries a uniform
volume charge density p (in C/m³). (a) Use Gauss's law to show that the magnitude
of the electric field inside the rod, as a function of distance r from the rod's axis, is
E = pr/2€0. (b) Similarly, show that the field outside the rod is E = pR²/2€or.
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