12.50: A spatially uniform electric field is constra
ucx efsv pd(1 5(4hi.cined within 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 electron at the instant shown in the figure when the electron is mo
i.e pf1(cuhxv4d 5( csving up the plane of the page? Ignore gravity