What is the trajectory of an electron when it moves perpendicular to the electric field is

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Solution

The trajectory of an electron :
The charge on the electron is negative, and the force is directed in the opposite direction as the electric field.
When an electron is projected perpendicular to a uniform electric field, it experiences an electric force in the opposite direction of the field.
Hence, when an electron moves perpendicular to the electric field, its trajectory is parabolic.

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