Question

A uniform wire of resistance R is cut into three equal pieces, and these pieces are joined in parallel. What is the resistance of the combination?

Answer 1

resistance in parallel will be
3/R+3/R+3/R = 9/R .. hope so this will help u..
please follow n Mark as brain list ..

Answer 2

Answer:Resistance of a wire is directly proportional to its length. Hence, a uniform wire of resistance R is cut into 3 smaller pieces, the resistance of each of the smaller wires would be R/3.  

 

When connected in parallel  

1/Req = 1/R1 + 1/R2 + 1/R3

1/Req = 3/R + 3/R + 3/R

1/Req = 9/R

Req = R/9