12.50: A spatially uniform electric field is constrained within
g4is 9li7p:gr* k.27dswf r zo the circular region of radius R as shown. The field is directed out of the plane of the page and its strength is decreasing uniformly with time. Which one of the following choices best represents the direction of the Lorentz force on the elec
dip :isk7glsow*9z 47r grf.2tron at the instant shown in the figure when the electron is moving up the plane of the page? Ignore gravity