ElectrostaticsHard
Question
From a point if we move in a direction making an angle θ measured from + ve x-axis, the potential gradient is given as 
= 2 cos θ. Find the direction and magnitude of electric field at that point.
= 2 cos θ. Find the direction and magnitude of electric field at that point. Options
A.2î
B.-2î
C.î + ĵ
D.- î + ĵ
Solution
Given,
= -(ExÎ + Eyĵ) = 2cos θUse polar coordinate system
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