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Question
The equivalent resistance between A and B is:
The Equivalent Resistance Between A And B Is:
Options:
A .  0.5 Ω
B .  1 Ω
C .  2 Ω
D .  4 Ω
Answer: Option B
:
B
Two parallel combination of resistors:
When going from A to B, the firsttwo resistors are in parallel to each other and so are the next two. Therefore

Rparallel =1×11+1= 12Ω for both of them.
Now these equivalent resistors are in series with each other
Therefore, net equivalent resistance is:
R=0.5+0.5=1Ω

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