JEE Main & Advanced
Physics
Electrostatics & Capacitance
Question Bank
Numerical Value Type Questions - Electrostatics
question_answer
A long cylindrical wire carries a positive charge of linear density\[2.0\times {{10}^{-8}}C/m\]. An electron revolves around it in a circular path under the influence of the attractive electrostatic force. Find the kinetic energy of the electron. If it is\[a\times 1.44\times {{10}^{-17}}Joule\]. then a is?