An electron revolves around a very long line charge having density $2 × 10^{-6} Cm^{-1}$. The kinetic energy of the electron is |
$5 × 10^{-17} J$ $2.88 × 10^{-16} J$ $2.88 × 10^{-15} J$ $5 × 10^{-15} J$ |
$2.88 × 10^{-15} J$ |
The correct answer is Option (3) → $2.88 × 10^{-15} J$ |