//Example 19.4
d=2.5*10^-2;//Distance between plates (m)
E=3*10^6;//Maximum electric field (V/m)
V_AB=E*d;//Maximum voltage (V)
printf('Maximum voltage = %d kV (approx)',V_AB/1000)
//Openstax - College Physics
//Download for free at http://cnx.org/content/col11406/latest