Electrostatics Question 298

Question: An electric dipole is placed along the x axis at the origin O . A point P is at a distance of 20cm from this origin such that OP makes an angle π3 with the x-axis. If the electric field at P makes an angle θ with the x-axis, the value of θ would be [MP PMT 1997]

Options:

A) π3

B) π3+tan1(32)

C) 2π3

D) tan1(32)

Show Answer

Answer:

Correct Answer: B

Solution:

θ=π3+α where tanα=12tanπ3

therefore α=tan13/2 so, θ=π3+tan13/2



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