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Define electrostatic potential at a poin...

Define electrostatic potential at a point. Write its SI unit
Three charges `q_(1) , q_(2) " and " q_(3)` are kept respectively at points A, B and C as shown in figures. Write the expression for electrostatic potential energy of the system.

Depict the equipotential surfaces due to
(i) an electric dipole
(ii) two identical negative charges separated by a small distance

Text Solution

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(a) Definitation of electrostatic potential -Sl unit J/ c of Volt.
Deduation of expression of electrostatic potential of given system of charges
`U=(1)/(3 pi in 0)[(q1 q2)/(r12)+(q1q3)/(r13)+(q2 q3)/(r23)]`
(b)
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