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May 28, 2015

Homework Help: Physics

Posted by Sandra on Saturday, March 13, 2010 at 11:21am.

Gold ions (Au+) are accelerate to high speeds using electric fields.

These ions are then passed through a region where uniform electric E and magnetic B fields are present.

If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector?

A.Electric field E up; Magnetic field B into the page
B.Electric field E down; Magnetic field B out of the page
C.Electric field E up; Magnetic field B out of the page
D.Electric field E down; Magnetic field B into the page
E.Both A and B
F.Both C and D
G.All of the above

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