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• October 21, 2021

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• PHY102 Physics II © Dr.Cem Özdoğan

• The effect of the dielectric is to weaken the original field E0 by a factor of κ and
• When a dielectric is present, Gauss’ law may be generalized to
• where q is the free charge. Any induced surface charge is accounted for by including the dielectric constant κ inside the integral.

• 25-7 Dielectrics and Gauss’ Law Capacitor with a Dielectric

• no consideraton of induced charge! only free charge since ε0 → ε0κ

• Inserting a dielectric into a capacitor causes induced charge to appear on the faces of the dielectric and weakens the electric field between the plates.

• C↑ U↓ E↓