A positive point charge is released from rest at a distance $r_{0}$ from a positive line charge with uniform charge density. The speed $(v)$ of the point charge, as a function of instantaneous distance $r$ from line charge, is proportional to

Question

TestHub · Accepted Answer

1 2 mv 2 = q ∆ V 1 2 mv 2 = q × λ 2 πε 0 ln ⁡ r r 0 v 2 = qλ mπε 0 ln ⁡ r r 0 v = qλ mπε 0 ln ⁡ r r 0 v ∝ ln ⁡ r r 0

Physics - Electrostatics Question with Solution | TestHub

Options:

Doubts & Discussion