1.

In the given circuit find the |V_(A) - V_(B)|where V_(A), V_(B)are electric potentials at the points A andB.

Answer»

`(E_1+E_(2)+E_3)/3`
`(3)/(1/(E_1)+1/(E_2)+1/E_3)`
`(E_1C_1+E_2C_2+E_3C_3)/(C_1+C_2+C_3)`
`((E_1)/(C_1)+(E_2)/(C_2)+(E_3)/(C_3))/(1/(C_1)+1/(C_2)+1/C_3)`

ANSWER :C


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