Zero

Proportional to the dipole moment

Proportional to the electric field strength

Proportional to the product of dipole moment and electric field strength

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true but R is false

A is false but R is true

4V

2V

$\frac{V}{2}$

$\frac{V}{4}$

$\frac{r \lambda x}{\varepsilon_0\left(x^2+r^2\right)^{3 / 2}}$

$\frac{2r \lambda x}{2 \varepsilon_0\left(x^2+r^2\right)^{3 / 2}}$

$\frac{r \lambda x}{4 \varepsilon_0\left(x^2+r^2\right)^{3 / 2}}$

$\frac{r \lambda x}{2 \varepsilon_0\left(x^2+r^2\right)^{3 / 2}}$

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion

If Assertion is True but the Reason is False

If both Assertion & Reason are False

The angle between the dipole moment and the electric field

The angle between the dipole moment and the position vector of the point

The angle between the electric field and the position vector of the point

The angle between the dipole moment and the equatorial line

Increases

Decreases

will remain same

Nothing definite can be predicted

$7.375 \mathrm{~V}$

$9.375 \mathrm{~V}$

$11.375 \mathrm{~V}$

$13.375 \mathrm{~V}$

$\frac{1}{d}$

$\frac{1}{d^2}$

$\frac{1}{d^3}$

$\frac{1}{d^{\frac{3}{2}}}$

For a point charge, the electrostatic potential varies as $1 / r$

For a dipole, the potential depends on the position vector and dipole moment vector

The electric dipole potential varies as $1 / r$ at large distance

For a point charge, the electrostatic field varies as $1 / r^2$

the distance

the square of the distance

the cube of the distance

the fourth power of the distance