Question

Determina intensitatea campului electric produs de un proton la distanta r = 5,3 * $10^{-11}$ m.

Answer 1

$E= \frac{k*q_{p} }{r^{2} } = \frac{9*10^{9}*1,6*10^{-19} }{(5,3*10^{-11})^{2} } = \frac{14,4*10^{-10} }{28,09*10^{-22} } =0,51*10^{12} N/C$