Consider a line of charge that extends along the x axis from x = 0 to x = 4.7 m.  The line has a non-uniform linear charge density given by ?λ(x) = 8.4 x2 (nC/m).  Calculate the electric potential at x = -1.3 m.  Use k = 9 x 109 N m2 / C2.  You may need to use u-substitution if you choose to evaluate the integral yourself.   (Please answer to the fourth decimal place - i.e 14.3225)

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Electric field

A physical field present around an electrically charged particle that exerts a force on all other charged particles is called an electric field. The charged particles present in the field either repel or attract. From electric charges or time-varying magnetic fields, the electric field originates. One of the manifestations of electromagnetic force which is one of the four fundamental forces present in nature are the electric fields and magnetic fields.