Within the green dashed circle shown in the figure below, the magnetic field changes with time according to the expression B = 4.00 - 1.00t² + 0.800, where B is in teslas, t is in seconds, and R = 2.10 cm. x7x x x Rx Bin (a) When t = 2.00 s, calculate the magnitude of the force exerted on an electron located at point P1, which is at a distance r; = 4.20 cm from the center of the circular field region. 1.5"10"-19 What is the magnetic flux through a circle of radius r,? N (b) When t = 2.00 s, calculate the direction of the force exerted on an electron located at point P, which is at a distance r, = 4.20 cm from the center of the circular field region. O Tangent to the electric field line passing through point P, and clockwise. O Tangent to the electric field line passing through point P, and counterclockwise.

Within the green dashed circle shown in the figure below, the magnetic field changes with time according to the expression B = 4.00 - 1.00t² + 0.800, where B is in teslas, t is in seconds, and R = 2.10 cm. x7x x x Rx Bin (a) When t = 2.00 s, calculate the magnitude of the force exerted on an electron located at point P1, which is at a distance r; = 4.20 cm from the center of the circular field region. 1.5"10"-19 What is the magnetic flux through a circle of radius r,? N (b) When t = 2.00 s, calculate the direction of the force exerted on an electron located at point P, which is at a distance r, = 4.20 cm from the center of the circular field region. O Tangent to the electric field line passing through point P, and clockwise. O Tangent to the electric field line passing through point P, and counterclockwise.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 91CP: A nonconducting hard rubber circular disk of radius R is painted with a uniform surface charge...

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