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posted by Sykox Monday, December 2, 2013 at 2:01am.
An electron with velocity 3 * 10^7 ms-1 describes a circular path in a uniform megnatic field of 0.2T, perpendicular to it. Calculate the radius of path.
R=mv/eB m =9.1•10 ⁻³¹kg e =1.6•10⁻¹⁹ C.
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