Protons (mass

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Protons (mass

1.67\times10^{-27}\,\text{kg}

, charge

1.6\times10^{-19}\,\text{C}

) are to circulate at

10\,\text{MHz}

in a cyclotron. Calculate the required magnetic field magnitude. (a)

1.3\,\text{T}

(b)

0.66\,\text{T}

(c)

0.33\,\text{T}

(d)

6.6\,\text{T}