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  • In Figure, points A and B are connected by a perfectly conducting wire. Calculate the current through AB <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/08/19/f52_q42.PNG"

In Figure, points A and B are connected by a perfectly conducting wire. Calculate the current through AB

Option: 1

2A


Option: 2

1 A


Option: 3

1.5 A


Option: 4

2.5 A


Answers (1)

best_answer

Using KVL, we get
\mathrm{2 l_1-\left(I-I_1\right)=0 \Rightarrow I=3 I_1 }
and \mathrm{\left(I-I_1\right)+2 I_1=4 }

Solving, we get \mathrm{l_1=1 \mathrm{~A}}  and \mathrm{l_1=3 \mathrm{~A}}
Therefore, current through  \mathrm{A B=I-2 I_1=(3-2)\mathrm{A}=1 \mathrm{~A}}

Posted by

Ajit Kumar Dubey

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