. A particle of charge q moves in the electric field created by O from infinity to the distance R between them. Otheexpertt ▲50% Part (a) Find the potential at the distance R from the charge Q ie the potential difference traversed by the test charge q from infinity.) Grade Summa Deductions Potential Submissions Attempts remain (2% detailed view per attempt) 0 Hint I give up Hints: 0% deduction per hint. Hints remaining:- Feedback:0% deduction per feedback. 0.085 μC, distance R-45.6 cm and Q-126 nC, what is the work (in J) done by the external force to .. 50% Part (b) If the charge q move q into the position R?