Griffiths Electrodynamics Problem 3.9 Force Between a Point Charge and a Neutral Conducting Sphere
Автор: Vasu V
Загружено: 2025-02-02
Просмотров: 325
In this video, we solve Problem 3.9 from Griffiths’ Introduction to Electrodynamics. Building on Example 3.2, where the sphere was grounded (V=0V = 0V=0), we now consider:
✅ A neutral conducting sphere at any potential V0V_0V0
✅ How to use two image charges to satisfy boundary conditions
✅ Where to place these charges and what their magnitudes should be
✅ Calculation of the force of attraction between the point charge qqq and the neutral sphere
✅ Physical interpretation and why the method of images works here
This problem is an elegant extension of the method of images, showing how to handle conductors at arbitrary potential and compute forces in electrostatics.
📌 Topics Covered:
Method of images with multiple charges
Neutral vs grounded conductors
Force calculation using image charges
Boundary conditions and potential control
Perfect for MSc Physics, Electrodynamics courses, and competitive exam preparation.
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