An electric dipole is placed at an angle of 30^\circ with an electric field of intensity 2 \times 10^{5} {\NC}^{-1} . It experiences a torque equal to 4 {\Nm}. Calculate the charge on the dipole if the dipole length is 2 {\cm}.

Manipal Entrance Test 2017 Physics Paper

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An electric dipole is placed at an angle of 30° with an electric field of intensity 2×105NC−1. It experiences a torque equal to 4‌Nm. Calculate the charge on the dipole if the dipole length is 2‌cm.

8‌mC
4‌mC
8µC
2‌mC

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