12.50: A spatially uniform electric f
yjr63wi lbuoc2e-.f6o+eb d875pg soield 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 direction of the Lorentz force on
-6bb g d57o.32sji eow6uo 8rl+ec fypthe electron at the instant shown in the figure when the electron is moving up the plane of the page? Ignore gravity