A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is

a)2R

b)4R

c)0.5R

d)0.25R

Asked by seeni2005 | 5th May, 2016, 12:37: PM

Expert Answer:

A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is
 
 

Answered by Abhijeet Mishra | 27th Nov, 2017, 02:43: PM