Question

A beam of protons is directed in a straight line along the positive z-direction through a region of space in which there are crossed electric and magnetic fields. If the electric field magnitude is E = 450 V/m in the negative y direction and the protons move at a constant speed of v = 1.7 x 10 m/s, what must the direction and magnitude of the magnetic field be in order for the beam of protons to continue undeflected along its straight-line trajectory? Select the direction of the magnetic field B. O positive y-direction negative z-direction O positive z-direction O negative y direction negative x-direction O positive x-direction magnitude of the magnetic field B:

Answer 1

Constant velocity in a=0 - T=0 F = Fet too qft q ♡x )=0 (450 m) j = (1.7 x 10 5 M18) & xi Š 2.650169 î Ane: positive x-direction 2.65 x 153T