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Electrostatics question

2023 · 13 Apr · Shift 1 · Q53

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JEE Main
Physics
Electrostatics
2023 · 13 Apr · Shift 1 · Q53

Electrostatics question

2023 · 13 Apr · Shift 1 · Q53

JEE MainPhysicsElectrostaticsMCQ+4 / −1

Two charges each of magnitude

0.01 ~\mathrm{C}

and separated by a distance of

0.4 \mathrm{~mm}

constitute an electric dipole. If the dipole is placed in an uniform electric field '

\vec{E}

' of 10 dyne/C making

30^{\circ}

angle with

\vec{E}

, the magnitude of torque acting on dipole is:

A
$4 \cdot 0 \times 10^{-10} ~\mathrm{Nm}$
B
$1.5 \times 10^{-9} ~\mathrm{Nm}$
C
$1.0 \times 10^{-8} ~\mathrm{Nm}$
D
$2.0 \times 10^{-10} ~\mathrm{Nm}$

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