NEET Questions

A parallel plate capacitor is charged and then disconnected from the battery. If the plates are pulled apart to double the initial separation, which of the following quantities will quadruple?

Two identical electric dipoles, each with dipole moment $p$, are placed at a distance $r$ apart, such that their axes are perpendicular to each other and the line joining their centers bisects the angle between them. The magnitude of the interaction force between them is proportional to:

A neutral conducting sphere is placed in a uniform electric field $\vec{E}$. Which of the following statements is incorrect regarding the induced dipole moment $\vec{p}$ on the sphere?

Two electric dipoles with dipole moments $\vec{p_1}$ and $\vec{p_2}$ are placed at a distance $r$ apart such that $\vec{p_1}$ is parallel to the line joining them and $\vec{p_2}$ is perpendicular to $\vec{p_1}$. The torque experienced by the second dipole due to the first is proportional to:

An electric dipole of moment $p$ is placed at the center of a thin spherical shell of radius $R$ carrying a uniformly distributed charge $Q$. The potential energy of the dipole is:

A dipole with dipole moment $\overrightarrow{p}$ is placed in a non-uniform electric field $\overrightarrow{E} = E_0(1 + \alpha x)\hat{i}$. If the dipole is aligned along the x-axis, the net force experienced by the dipole is:

A dipole of moment $\overrightarrow{p} = p\hat{k}$ is placed at the origin. The electric field at a point $(x, y, z)$ due to the dipole is proportional to:

An electric dipole is placed in a uniform electric field. The net force experienced by the dipole is:

An electric dipole with dipole moment 'p' is placed in a uniform electric field 'E'. The maximum torque experienced by the dipole is:

A non-uniform electric field is given by $\vec{E} = (3x^2 \hat{i} + 4y \hat{j})$ N/C. If the electric potential at the origin is zero, what is the potential at point (2, 1) m?