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Physics
Five equal resistances are connected in a network as shown in figure. The net resistance between the points A and B is: <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/physics/df3d0c42b39b9bab56b549d510456abc-.png />
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Q. Five equal resistances are connected in a network as shown in figure. The net resistance between the points $A$ and $B$ is :
JEE Main
JEE Main 2021
Current Electricity
A
$2 R$
6%
B
$\frac{ R }{2}$
10%
C
$\frac{3 R }{2}$
14%
D
$R$
70%
Solution:
This diagram can be drawn like
It is a wheat stone bridge
$\therefore R _{ eq }=\frac{2 R \times 2 R }{2 R +2 R } \Rightarrow R$