H2P-416

Deflection of charged beams

H2 Physics · JC 2 · Hard · Deflection of charged beams

A singly charged ion of mass

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

moves at

4.0\times10^{5}\,\text{m s}^{-1}

perpendicular to a uniform magnetic field. The radius of its circular path is

0.10\,\text{m}

. What is the magnetic flux density

B

? Use

Bqv = mv^{2}/r

with

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

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