Chapter 4: Q19DQ (page 713)
Two irregular objects A and B carry charges of oppositesign. Figure Q21.19 shows the electric field lines near each ofthese objects. (a) Which object is positive, A or B? How do youknow? (b) Where is the electric field stronger, close to A or closeto B? How do you know?
Short Answer
Answer
(a) The object B is positive.
(b) The electric field is stronger closer to object A.