JEE Main 2019 — Physics solution | Fundamenthol

JEE Main2019Physics

Q.

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
$\frac{3}{4} R$
B
$R$
C
$\frac{1}{16} R$
D
$\frac{7}{64} R$

Solution

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