1. Base your answer to the following question on the diagram below which shows two large parallel conducting plates connected to a battery of emf  A magnetic field is applied in the region in between the plates such that a particle traveling to the right in this region would feel no net force. What direction should this magnetic field point?

A) into the page

B) out of the page

C) towards the right

D) towards the left

E) towards the top of the page