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  4. The potential at point A , in the circuit, is (Point N is grounded, i.e. the potential of that point is zero.) <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-kzxbn8esrzec.png />

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Q. The potential at point $A$ , in the circuit, is (Point $N$ is grounded, i.e. the potential of that point is zero.)



Question

NTA AbhyasNTA Abhyas 2020Electrostatic Potential and Capacitance

Solution:

Solution

$V_{A}-V_{N}=\frac{10 \times C}{C + \frac{C}{3}}=\frac{30 C}{4 C}=\text{7.5}$
$V_{A}-0=7.5$
$V_{A}=7.5 \, V$