Electron Velocity in Crossed Electric and Magnetic Fields · CAP 2009 #10
Physics · electromagnetism
Problem
What is the velocity of an electron that passes without being deviated through perpendicular electric and magnetic fields if E = 4.0 kV/m and B = 8.0 mT?
(a) 32 m/s
(b) 500 km/s
(c) 2×10⁻⁶ m/s
(d) 500 m/s
(e) 2 km/s