1.

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. R
B. \(\left( {\frac{7}{{64}}} \right)\)
C. \(\left( {\frac{3}{4}} \right)\)R
D. \(\left( {\frac{1}{16}} \right)\)R
Answer» C. \(\left( {\frac{3}{4}} \right)\)R


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