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  4. The circuit is as given in figure. The current through the branch BE of the circuit is :- <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-mzbadjq7eifiwvdj.jpg />

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Q. The circuit is as given in figure. The current through the branch $BE$ of the circuit is :-
Question

NTA AbhyasNTA Abhyas 2020

Solution:

Solution
Applying nodal analysis at $B$ we get
$\frac{x - 70}{2}+\frac{x - 0}{4}+\frac{x - \left(70 - x\right)}{2}=0$
$\Rightarrow x=40$
$\Rightarrow $ current in $BE=5A$