CUET and UG exam NEET UG 2025 Mock Test Physics Electric Fields and Gauss' Law Applications of Gauss’s Law
A long cylindrical wire carries a positive charge of linear density 2.0 × 10-8 Cm-1. An electron revolves around it in a circular path under the influence of the attractive electrostatic force. Then kinetic energy of the electron will be ____?
1
2.88 × 10-17 J
2
1.44 × 10-17 J
3
9 × 10-17 J
4
None