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) |
(b) |
R |
|
(c) |
(d) |
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) |
(b) |
R |
|
(c) |
(d) |