12.50: A spatially uniform e
vgzmd-g9onts- srm p;mi49 4:lectric field is constrained 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 di
r:zt9m9spnsog- mi 4v4 - mdg;rection of the Lorentz force on the electron at the instant shown in the figure when the electron is moving up the plane of the page? Ignore gravity