A proton, an electron, and a Helium nucleus have the same energy. They are in…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism
Problem
A proton, an electron, and a Helium nucleus have the same energy. They are in circular orbits in a plane due to a magnetic field perpendicular to the plane. Let rp, re and rHe be their respective radii, then,
(1) re>rp=rHe
(2) re<rp=rHe
(3) re<rp<rHe
(4) re>rp>rHe