Correct Answer - B
(b) `I = (epsilon)/(R ) e^(-t//RC)`
`log_(e) I = log_(e) (epsilon)/(R ) - (t)/(RC) log_(e) e implies 1n I = 1n ((epsilon)/(R )) = (t)/(RC)`
Slope `= - (t)/(RC) y` intercept `= 1n((epsilo)/(r ))`
If resistance is made doubled, both of the above decrease in magnetude.