Parallel Plate Capacitor With Conducting Slab

Physics ninja looks at the problem of inserting a metal slab between the plates of a parallel capacitor. Dielectric placed between two electrodes on the two plates the microscopic dipole moment of the material will shield the charges.

Given Two Parallel Conducting Plates Of Area A And Charge

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The Potential Difference Between 2 Plates Separated By A

Introduction of a conducting slab will not increase the capacitance as you introduce a conductor that doesnt shorts the plates then the system will act like two capacitors in series and hence my capacitance will decrease.

Parallel plate capacitor with conducting slab. The equivalent capacitance is evaluated. Apparently since the slab of non negligible thickness is introduced the effective distance d is reduced. The potential difference between the capacitor plates will be when a conducting slab of thickness 1 d is placed between the capacitor plates free electrons flow inside it so as to reduce the field to zero inside the slab.

If a conductor plate is inserted in between the original plates of the capacitor being d distant apart the arrangement behaves like two capacitors connected in series. Capacitance of parallel plate capacitor when dielectric slab is placed fig. Charges q and q appear on the upper and lower faces of the slab.

Two capacitors will be formed between first plate and conductor and conductor and second plate.

Solved A Non Conducting Slab Of Thickness 12 M Area 46 M

Davendra Bahadur Singh

Physics

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