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The magnitude of the electric field intensity at point B (2,0,0)  due to a dipole of dipole moment, P=i^+3j^ kept at origin is (assume that the point B is at large distance from the dipole and k=14πε0 ) (All quantities are in S.I units)

a
13k8
b
13k4
c
7k8
d
7k4

detailed solution

Correct option is C

tanθ=31⇒θ=60 E=kP1+3cos2θr3=k12+321+3cos26023=k78

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