4. A very long, thin rod carries electric charge with the linear density 30.0 nC/m. It lies along the x axis and moves in the x direction at a speed of 1.50 × 107 m/s. (a) Find the electric field the rod creates at the point (x (b) Find the magnetic field it creates at the same point. (c) Find the force exerted on an electron at this point, moving with a velocity of 2.40 × 10®î m/s. = 0.00 cm, y = 22.0 cm, z = 0.00 cm)
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