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Electrostatic potential and capacitance all formulas PDF: Top 10 formula

by Dhrubajyoti Haloi
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Electrostatic potential and capacitance all formulas PDF: Top 10 formula: The importance of remembering formula in physics is huge. We can relate whole the idea with the formula. Get the PDF of these formulas. Topic like Capacitance,Isolated spherical conductor, Common potential are included in this chapter.

Physical quantity:Electrostatic potential and capacitance all formulas PDF

Physical quantity Symbol Dimensions Unit Remark
Potential & or V [M1 L2 T–3 A–1] V Potential difference is

physically significant

Capacitance C [M–1 L–2 T–4 A2] F
Polarization P [L–2 AT] C m-2 Dipole moment per unit volume
Dielectric constant K [Dimensionless]

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Capacitance

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 Farad 1F = 1 C/V

Capacitance:It is is defined as the capability of an element to store electric charge. A capacitor store electric energy in the form of the electric field by the two electrodes of a capacitor, one as positive and other as negative.

Electrostatic potential and capacitance all formulas PDF: Top 10 formula

Isolated spherical conductor

Parallel plate capacitor

 or  where and k is dielectric constant

C = capacitance [farads F] k = the dielectric constant (1)
Î0 = permittivity of free space
8.85 × 10-12 C2/N·m2
A = area of one plate [m2] d = separation between plates [m]

 

Capacitors in series

 

Capacitors in parallel

 

Energy stored in a capacitor

Energy density 

 

Common potential

 

C with conducting slab between the two plates

 where t is thickness of slab [t < d]

 

C with dielectric slab between the two plates

 where k is the dielectric

 

 

 

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