Physics · JEE

Important Questions: Potential difference, equipotential surfaces, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field for JEE

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Q1PhysicsUnit 11: Electrostatics

A diverging electron beam enters a region of varying potentials. Intersection of equispaced equipotential plane surfaces with the plane of the paper are shown, with their potentials mentioned in the figure. If before entering this region,

x

and

y

components of the velocity of electrons

\operatorname{are} 3 \sqrt{\frac{2 e v}{m}}

and

\sqrt{\frac{e v}{m}},

respectively, where

m

is the mass of an electron and

e

is the electronic charge, then : This question has multiple correct options

Q2PhysicsUnit 11: Electrostatics

The equi-potential surface in the region are

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