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A Velocity Selector for Ions Uses Perpendicular Electric and Magnetic

Question 26

Multiple Choice

A velocity selector for ions uses perpendicular electric and magnetic fields. If the electric field used were 800 V/m, what magnetic field would allow the selection of a velocity of 4000 m/s?


A) 0.0400 T
B) 0.0800 T
C) 0.160 T
D) 0.200 T
E) 0.500 T

Correct Answer:

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