Question

A wire of resistance 10 ohm is bent to form a closed circle. What is the resistance across a diameter of the circle???

PLZZ ANSWER IT MATES !!!!

Answer 1

2.5ohm

when the wire is made into a circle and when 2 points int he ends of the diameter are considered then the resistor willget split up into 2

resitors each of 5 ohms and these 2 resistors will be in \\ connection

i.e..

   Re=(1/5+1/5)^(-1)      which we will get in substiting the \\ resistence formula 

when we equate it we'll get 2.5 ohm

Answer 2

A wire of resistance 10 ohm is bent in the form of closed circle. What is the effective resistance between the two points at the ends of any diameter of the circle? Answer: ... Each of the resistors (the 2 parallel resistors of the circle) have a resistance of 10 ohms.

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