Question

From the surface of a cylindrical wire of radius R=1 cm carrying a current I=1 mA an electron escapes with velocity v0=30 m/s perpendicular to the surface of the wire. What will be the electron's maximum distance in meters from the axis of the wire?


Details and assumptions
μ04π=10−7 H/m
e/me=1.76×1011 C/kg