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The equivalent resistance of the given circuit between the terminals A and B is

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a
0
b
3Ω
c
9/2Ω
d
1Ω

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detailed solution

Correct option is D

In the given circuit, 5 Ω resistance is shorted. So, it can be discarded.

Now, we get a resolved circuit as shown below

In parallel,

           R1=2×22+2=1Ω

In series,

         R2=R1+2=1+2=3Ω

Here, all the three resistances(3Ω) are parallel.

 Equivalent resistance across A and B,

            1Req=13+13+13=1Req=1Ω

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