A wire of length L and resistance R is stretched so that its length is doubled and the area of cross section is halved. How will its
  i )resistance change.
  ii )resistivity change.

Asked by Amoolya Kamuni | 28th May, 2014, 12:37: PM

Expert Answer:

Answered by Romal Bhansali | 28th May, 2014, 01:03: PM