In designing a velocity selector that uses uniform perpendicular electric and ma

Question

In designing a velocity selector that uses uniform perpendicular electric and magnetic fields, you want to select positive ions of charge 5.00 e that are traveling perpendicular to the fields at 8.75 km/s. The magnetic field available to you has a magnitude of 0.550 T.

(a) What magnitude of electric field do you need?
E = ____ N/C

(b) Show how the two fields should be oriented relative to each other and to the velocity of the ions.

Will your velocity selector also allow the negative ions of charge -5.00 e to pass through undeflected?
<Yes/No>

Will your velocity selector also allow the positive ions of charge different from 5.00 e to pass through undeflected?
<Yes/No>

Explanation / Answer

velocity selector also allow the negative ions of charge -5.00 to pass through undeflected

and

velocity selector also allow the positive ions of charge different from 5.00 to pass through undeflected

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