A very long, thin rod carries electric charge with the linear density 36.0 nC/m.

Question

A very long, thin rod carries electric charge with the linear density 36.0 nC/m. It lies along the x axis and moves in the x direction at a speed of 1.50 x 107 m/s (a) Find the electric field the rod creates at the point (x = 0 , y = 22.0 cm , z = o.) magnitude 2926.24 direction N/C 930 (b) Find the magnetic field it creates at the same point. magnitude 4.91E-7 direction |+z axis (c) Find the force exerted on an electron at this point, moving with a velocity of (2.40x 108)i m/s. magnitude3 652E-16 direction Your response differs from the correct answer by more than 10%. Double check your calculations. N

Explanation / Answer

part C:

magnetic force F = q ( v x B)

F = 1.6 *10^-19 * ( 2.4*10^8 i x 4.91*10^-7 k)

F = 1.88 *10^-17 N along j axis ( - y axis)

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