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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A positively charged particle of charge q and mass m is suspended from a point by a string of length l. In the space a uniform horizontal electric field E exists . The particle is drawn aside so that it is projected horizontally with velocity v such that the particle starts to move along a circle with same constant speed v. Find the speed v.

A positively charged particle of charge q and mass m is suspended from a point by a string of length l. In the space a uniform horizontal electric field E exists . The particle is drawn aside so that it is projected horizontally with velocity v such that the particle starts to move along a circle with same constant speed v. Find the speed v.

An electric dipole is placed at origin in the xy plane with its orientation along the positive x-axis. The direction is electric field .