# physics

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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

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