The diode circuit given has it V – I characteristics as:

\(i = \left\{ {\begin{array}{*{20}{c}} {0,\;\;\;{V_D} < 0.7\;V}\\ {\frac{{{V_D} - 0.7}}{{650}},\;\;\;{V_D} \ge 0.7\;V} \end{array}} \right.\)

Find 'i' in mA.