There is an electric field E in x - direction . If the work done on moving a charge of 0.2C through a distance of 2m along a line making an angle $\;60_{0}\;$ with x - axis is 4J . What is value of E

Question

$(a)\;\sqrt{3}\;N/C\qquad(b)\;4\;N/C\qquad(c)\;5\;N/C\qquad(d)\;20\;N/C$