Current Electricity and Electrical InstrumentHard
Question
In the diagram shown, all the wires have resistance R. The equivalent resistance between the upper lower dots shown in the diagram is


Options
A.R/8
B.R
C.2R/8
D.3R/8
Solution

Points 1, 2, 3 ........... 8 are of same potential and 1′, 2′, 3′ .......8′ are of same potential.
Req =
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