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a wire of resistance 10 ohm bent in the form of a circle what is the effective resistance between the two points at the ends of the any diameter of the circle?

Ans : Resistance is proportional to 
          1.specific resistance of the material
          2.length of the material and 
        inversely proportional to 
           3.area of the material

The resistance will be 10 ohm itself because the shape variation does not affect the resistance value.


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