1. The problem statement, all variables and given/known data - How much is the electrical voltage U between two evenly electrified parallel flat plates, distanced d = 1 cm, if the strength of electric field between them is E = 1 V / m? - - What is the strength of electric field to the left and to the right of each plate? - What is the force on the surface (area) unit between the two plates? - What are the voltage between the plates and the force on the surface unit as a result of doubling the distance between the two plates? - How is the strength of the electric field and force between the two plates altered (changed), if the voltage is maintained constant? Influencing constant is ε(0) = 8.85 × 10^-12 As / Vm. 2. Relevant equations V= E*d F= Q*E V= Qd/ Aε(0) E= Q/ Aε(0) 3. The attempt at a solution First part: How much is the electrical voltage U between two evenly electrified parallel flat plates? V= 1 V/m* 0.01 m= 0.01 V Are my calculations for the first part correct? And I really don't know how to approach the rest of the problem. Can someone please help me? Any hints?