Задача 30490.

The proton passed through an accelerating potential difference U=300 V and flew into a uniform magnetic field (V=20 mT) at an angle of 45° to the magnetic induction lines. Determine the step h and radius R of the helix along which the proton will move in the magnetic field.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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