B. II'I Source + _ + + + _ . + sm ' ' - ' ' \"t A velocity selector is set up with a magnetic field of 0.13 T into the page. In the velocity selector, the magnetic field is perpendicular to to an electric field produced by charged parallel plates that are 2.35 cm apart. What is the electric potential required between the plates so that the velocity selector allows all charged particles that have a speed of 2.934105 m/s to pass through undeflected