What are advantages and disadvantages of distracting under ground water.

Answers (1)

We know that resistance is given as 

                        R=frac
ho lA

R=resistance


ho=resistivity

l=length of wire

A=area of cross section

Resistance is inversely proportional to the area of cross-section.

Thicker the wire more is cross-sectional area resulting in less resistance resulting in more current flow.

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