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  4. In the shown wireframe, each side of a square (the smallest square) has a resistance 7 Ω . What is the equivalent resistance value (in ohm) of the circuit between the points A and B ? <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-gvckuzbh2ztw.png />

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Q. In the shown wireframe, each side of a square (the smallest square) has a resistance $7 \, \Omega $ . What is the equivalent resistance value (in ohm) of the circuit between the points $A$ and $B$ ?

Question

NTA AbhyasNTA Abhyas 2020Current Electricity

Solution:

The circuit can be folded about $B$ and redrawn as
Solution
Hence equivalent resistance between $A$ and $B$ is $2R=2\times 7\Omega =14\Omega $ .