Chapter 4: Q19E (page 842)
A strand of wire has resistance.Find the net resistance of 120such strands if they are
(a) placed side by side to form a cable of the same length as a single strand, and
(b) connected end to end to form a wire 120times as long as a single strand.
Short Answer
(a) The net resistance of 120 strands if they are placed side by side is
(b) The net resistance of 120 strands if they are connected to end to end form is