Point A is a distance L to the left of a charge Q. Point B is adistance 3L to the left of point A. If the electric field atpoint A due to charge Q is E, what is the electric field atpoint B?[img=277x49]17da660b2a21250.png[/img] A: E/3 B: E/9 C: E D: 3E E: E/16