Point P lies on the axis of a dipole. If the | vedclass

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(C) The electric field $\vec{E}$ on the axis of a dipole is in the same direction as the dipole moment $\vec{p}$.When the dipole is rotated by $90^o$

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$90^o$ anticlockwise

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(C) The electric field $\vec{E}$ on the axis of a dipole is in the same direction as the dipole moment $\vec{p}$.When the dipole is rotated by $90^o$ anticlockwise,the direction of the dipole moment $\vec{p}$ also rotates by $90^o$ anticlockwise.Since the electric field vector $\vec{E}$ at point $P$ is always parallel to the dipole moment $\vec{p}$ on the axis,the electric field vector $\vec{E}$ will also rotate by $90^o$ anticlockwise.However,if we consider the field at a point on the equatorial plane,the direction is opposite to the dipole moment. Given the point $P$ is on the axis,the field direction follows the dipole moment direction. Thus,the vector rotates by $90^o$ anticlockwise.

Point $P$ lies on the axis of a dipole. If the dipole is rotated by $90^o$ anticlockwise,the electric field vector $\vec{E}$ at $P$ will rotate by

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