There is an electric field E in X direction. If the work done in moving a charge of 0.2 C through a distance of 2 m along a line making an angle 60⁰ with X axis is 4 J, then what is the value of E ?



Dear student, 
here we know that force on a charge q in electric field E is F=qE     and work done is 
force in the direction of displacement x displacement 
Using this 


Hence option C is correct. 
Regards

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