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An infinite ladder is constructed with 1...

An infinite ladder is constructed with `1(Omega)`and `2(Omega)`resistor as shown in figure.(a)Find the effective resistance between the point A and B. (b) Find the current that passes through the `(2 Omega)` resistor nearest to the battery.

A

`1 A`

B

`1.5 A`

C

`2A`

D

`2.5 A`

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The correct Answer is:
B
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