Question

the angular position of a point at which electric field of an electric dipole is normal to its dipole moment vector is​

Answer 1

Answer:

(theta) =tan^-1((2)^(1/2))

Explanation:

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Answer 2

The value of the angular position is tanθ = √2

Explanation:

We are given that:

Dipole moment vector  = r

Angle = θ

To find: the angular position of a point.

Solution:

As we know that:

θ + α makes 90 degree

θ + α = 90°

Now

2 tan α = tan θ

tan α = tan θ  / 2

Tan ( 90 - θ) = tan θ  / 2

Cot θ = tan θ / 2

[Since Cot θ  = 1 / Tanθ ]

1 / Tanθ = tan θ / 2

tan^2θ = 2

Now taking under root on both sides of the euqtaion:

tanθ = √2