What is the velocity of a beam of electrons

Reference no: EM13259008

Part A What is the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic fields. E? and B? are also perpendicular to each other and have magnitudes 9100V/m and 6.9×10?3T , respectively.

Part B What is the radius of the electron orbit if the electric field is turned off?

Reference no: EM13259008

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