As demands for electricity push the limits of existing electric-power-generating plants in the United States, when is it most likely that a brown-out or blackout will disrupt electricity to your home computer?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples