In case of surface condensers, a straight line is obtained on plotting 1/U vs. ____________ on an ordinary graph paper?
A. 1/V̅ -0.8
B. V̅ -0.8
C. V̅ -2
D. 1/ V̅ -2
A. 1/V̅ -0.8
B. V̅ -0.8
C. V̅ -2
D. 1/ V̅ -2