MHT CET 2025 19th April Morning Shift | Electrostatics Question 30 | Physics

An electric dipole of dipole moment ' $p$ ' is aligned parallel to a uniform electric field ' E '. The energy required to rotate the dipole by $90^{\circ}$ is $\left[\begin{array}{ll}\sin 0^{\circ}=0, & \sin 90^{\circ}=1 \\ \cos 0^{\circ}=1, & \cos 90^{\circ}=0\end{array}\right]$

$pE$

$\mathrm{pE}^2$

$p^2 E$

infinity

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

A hollow cylinder has charge ' $q$ ' $C$ within it. If ' $\phi$ ' is the electric flux associated with the curved

MHT CET 2024 16th May Evening Shift Physics - Electrostatics Question 31 English

$\frac{1}{2}\left(\frac{\mathrm{q}}{\varepsilon_0}-\phi\right)$

$\frac{q}{2 \varepsilon_0}$

$\frac{\phi}{3}$

$\frac{q}{\varepsilon_0}-\phi$

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

' $n$ ' small drops of same size are charged to ' $V$ ' volt each. If they coalesce to form a single large drop, then its potential will be

$\mathrm{Vn}^{\frac{1}{3}}$

$\mathrm{Vn}^{\frac{2}{3}}$

$\mathrm{V n}$

$\mathrm{Vn}^{-1}$

MHT CET 2024 16th May Morning Shift

MCQ (Single Correct Answer)

-0

Two point charges $+8 q$ and $-2 q$ are located at $x=0$ and $x=\mathrm{L}$ respectively. The location of a point on the $x$-axis from the origin, at which the net electric field due to these two point charges is zero is

$\frac{\mathrm{L}}{4}$

$\mathrm{4 L}$

$\mathrm{8 L}$

$\mathrm{2 L}$

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