One half of a charged thin ring of radius R carries a charge q1 uniformly distributed over it, and the other half of the ring carries a charge q2 uniformly distributed over it. For any position along the axis of symmetry of the ring, derive an expression for (a) the component of the electric field parallel to the axis and (b) the component of the electric field perpendicular to the axis.

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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.