Question

A wire of resistance R is divided in 10
equal parts. These parts are connected
in parallel, the equivalent resistance of
such connection will be:​

Answer 1

Answer:

Explanation:

Resistance of a wire is proportional to its length. The wire is cut into 10 equal parts. So, resistance of each part =  

10

R

​  

 

Then all  10 wires are connected in parallel. Then the equivalent resistance is

   

R  

eq

​  

 

1

​  

=  

10

R

​  

 

1

​  

+  

10

R

​  

 

1

​  

+.........(10times)

 

R  

eq

​  

 

1

​  

=  

R

100

​  

 

R  

eq

​  

=  

100

R

​  

 

R  

eq

​  

=0.01R