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Q. An electric dipole is placed at an angle of 30° to a non-uniform electric field. The dipole will experience :

AIEEEAIEEE 2008

Solution:

In a non-uniform electric field, the dipole may experience both non-zero torque as well as translational force. For example as shown in figure, $F_{1} \ne F_{2}$ as E is non-uniform.
Torque would also be non-zero.

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