Solution to task 333 from Chertov´s for extramural stud

Solution to task 333 from Chertov´s for extramural stud

333. The electric field is created by charges Q1 = 2 μC and Q2 = -2 μC, located at a distance of a = 10 cm from each other, to determine the work of the field forces performed when the charge moves Q = 0.5 μC from point 1 to point 2 ( fig. 28).