Question

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.
Pls anwer
an electron with velocity 3×10 '7m/s describes a circular path in a uniform magnetic field 0.2t perpendicular to it calculate the radius of the path

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