AMU Engineering 2018 solved paper Solved Paper

Section: Physics

Question : 35 of 150

Marks: +1, -0

In a certain mass spectrometer, an ion beam passes through a velocity filter consisting of mutually perpendicular fields E and B. The beam then enters a region of another magnetic field B′, perpendicular to the beam. The radius of curvature of the resulting ion beam is proportional to

EB′∕B
EB∕B′
BB′∕E
E∕BB′

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