In a television set with a cathode ray tube display, a beam of negatively charged particles called cathode rays passes by a positively charged plate. The beam is deflected before it hits the television screen to produce an image. Which of the following changes would result in the greatest increase in the attraction between the negatively charged particles in the beam and the positively charged plate?

Question

Answer: C - decreasing the  distance between the plate and the particles and increasing the charge on the plate.

Ted Chan · Accepted Answer

decreasing the  distance between the plate and the particles and increasing the charge on the plate

AP Physics B Practice Exam