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3. What magnetic field is required for the 7.0-TeV protons in the 4.25-km radius Large
Hadron Collider (LHC)?
4. Show that the energy of a particle (charge q.) in a synchotron, in the relativistic limit
(v z c), is given by E = Brc, where E is measured in eV, B is the magnetic field, and
r is the radius of the orbit.

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