Solution to task 332 from Chertov´s for extramural stud

Solution to task 332 from Chertov´s for extramural stud

332. The electric field is created by a charged conducting ball, the potential φ of which is 300 V. Determine the work of the field forces by moving the charge Q = 0.2 μC from point 1 to point 2 (Fig. 27).