a) Two-point charges are a distance X apart along X-axis as shown in the fig below. Explain the effect of the charges on the electric field intensity at any point in the z=0 plane when the charges are: (i) Both equal to q (ii) Of opposite polarity but equal magnitude vii. How does the electric field enclosing a given charge vary when the area enclosed by the charged is doubled? Assuming the electric flux is constant. viii. Determine the electric field intensity in free space if D=30ar c/m2. b) Does the electric flux depend on the shape of the Gaussian surface? Give reasons to your answer

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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.