\({V_P}\, - \,{V_B}\,\, = \,\,\frac{{18V\, \times \,1\, \times \,{{10}^6}\,\Omega }}{{(0.2\, + \,1)\, \times \,{{10}^6}\,\Omega }}\)

\( = \,\,\frac{{18V\, \times \,1\, \times \,{{10}^6}\,\Omega }}{{1.2\, \times \,{{10}^6}\,\Omega }}\)  \(\,\, = \,\,15V\,\,\,\)

\(\therefore {\text{ }}{{\text{V}}_{\text{B}}}{\text{  =   -  15V}}\)

\(V_P - V_B = 15V\) અને  \(V_P = 15V + V_B = 15V - 15V = 0\,V\)

\(200\ k\Omega\) અવરોધ સમાંતર \(p.d.\)

\({V_A}\, - \,{V_P}\,\, = \,\,\) \(\frac{{18V\, \times \,0.2\, \times \,{{10}^6}\,\Omega }}{{(0.2\, + \,1)\, \times \,{{10}^6}\,\Omega }}\)

\( = \,\,\frac{{18\,V\, \times \,0.2\, \times \,{{10}^6}\,\Omega }}{{1.2\, \times \,{{10}^6}\,\Omega }}\,\, = \,\,3V\,\,\,\)

\(\therefore \,\,\,{V_A}\,\, = \,\,3V\)

\(V_A - V_P = 3V\) અને \(V_P = V_P - 3V = + 3V - 3V = 0\,V\)