A graph between $\_\_\_\_\_\_\_\_\_$ is called Wilson plot.

$(1/$U$)$ Vs$.(1/$v$0\mathrm{.}8)$

$(1/$v$0\mathrm{.}8)$ Vs$.$ U

v$0\mathrm{.}8$ Vs $.$ U

$(1/$U$)$ Vs$.(1/$V$)$