A wire of resistance R is bent to form a...

A wire of resistance R is bent to form a square ABCD as shown in the figure. The effective resistance between E and C is: (E is mid-point of arm CD)

A

`1/16 R`

B

R

C

`7/64R`

D

`3/4 R`

Verified by Experts

`R_(AB)=R_(BC)=R_(CD)=R/4 & R_(DE)=R_(EC)=R/8 therefore R_(eq)=(((3R)/4+R/8) times R/8)/R=7/64R`

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