How many electrons would have to be removed from one sphere and added to the other to cause an attractive force between the spheres of magnitude 1. 00×104n (roughly one ton)? assume that the spheres may be treated as point charges.

Which of the following would be considered a nec code violation in regards to the installation of luminaires? a. an outdoor lighting fixture mounted to a tree b. a five-pound, 12-inch diameter light fixture supported by the screw shell of the lampholder c. florescent lay-in fixtures attached to the framing sections of a suspended ceiling with sheet-metal screws d. track lighting over a sink, 2 feet from a bathtub