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Dependence on Magnetic Field

find the locu...

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find the locus of all the points where the resu†an t electric field vector will always have a bearing of 45 deg. with the axis of a short dipole

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Q. A short dipole is placed along

x -

axis with centre at origin (

O

). The electric field at a point

P

due to dipole such that

- - \to OP

makes an angle of

45^{\circ}

x -

axis, is directed along a direction making

Q. An electric dipole of moment p is placed at the origin along the x-axis. The electric field at a point p , whose position vector makes an angle

θ

with the x-axis, will make an angle ..... with the x-axis, where

t a n α = \frac{1}{2} t a n θ

Q. An electric dipole of moment

\to p

is placed at the origin along the x-axis. The angle made by electric field with x-axis at a point P, whose position vector makes an angle

θ

with x-axis, is ( where

tan α = \frac{1}{2} tan θ

)

Q. A short electric dipole has dipole moment of

3 \sqrt{2} \times 10^{- 10} C m

. The electric potential due to the dipole at a point which is at a distance

0.3 m

from the centre of the dipole, situated on a line making an angle of

45^{\circ}

with the dipole axis is

(\frac{1}{4 π ϵ_{0}} = 9 \times 10^{9} {N m}^{2} / C^{2})

P

lies on the axis of a dipole. If the dipole is rotated by

90^{\circ}

anticlockwise, the electric field vector

\to E

P

will rotate by :

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