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  4. In the given circuit, find potential at point ' O ' <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/e83dd55fdfa12d4c4491cdddf29ddf27-.png />

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Q. In the given circuit, find potential at point ' $O$ '
image

Electrostatic Potential and Capacitance

Solution:

$(X-0) C+(X-0) C+(X-V) C+(X-Y) C=0$
$4 X-Y=V \dots (1)$
image
$(Y-0) C+(Y-X) C+(Y-V) C=0$
$3 Y-X=V \, \dots(2)$
On solving
$11 X=4 V$
$X=\frac{4V}{11}$