This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: E reaches zero. So, E(r) = 0 r<a Q(r) = 0 at r<aδ s Charge is accumulated at the outer surface ! 2 4 1   r Q E πε = r >a A conductor hollow sphere E(r) = ? 2D Problem in 3D Space x y z r Apply Coulomb’s Law =k e λ ∫ r /(x 2 +r ) 3/2 dx = 2k λ / r E + ∞∞ θ x Apply Gauss’s Law Solution Movie 5_3 Gauss‘s law in 1D q E= (q/ ε ) / 2 1D Problem in 3D Space x y z Apply Coulomb’s Law r =k e σ ∫ dx ∫ dy cos φ cos θ /(x 2 +y +r ) = k 2 π σ = σ / 2ε E + ∞∞ x + ∞∞ y Apply Gauss’s Law Φ E =E p A cylinder +2E n disc Constant! Parallel Plates ± The electric field is uniform in the central region, but not at the ends of the plates ± If the separation between the plates is small compared with the length of the plates, the effect of the nonuniform field can be ignored...
View
Full
Document
This note was uploaded on 01/28/2011 for the course PHYS 011 taught by Professor Nianlin during the Fall '08 term at HKUST.
 Fall '08
 NianLin
 Physics, Charge

Click to edit the document details