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The left panel shows a dielectric medium above a conducting plane that has a positive charge of 5.0 and two negative charges of 3.58. The electric field lines originate from the positive charge and terminate on the negative charges.

On the right panel the input is as follows:

Charge equals 5 e. show voltage, electric field, and charge density at cursor is selected. V equals negative 5.73409E minus 1 volts. E equals 4.90222E minus 2 volts per meter. Rho equals 0E0 square centimeter. In plots, potential field, equipotential lines, electric field and charge density are selected.