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In a chamber, a uniform magnetic field o...

In a chamber, a uniform magnetic field of 6.5 G` (1 G = 10^(-4) T)` is maintained. An electron is shot into the field with a speed of `4.8 x× 10^6 m s^(-1)` normal to the field. Explain why the path of the electron is a circle. Determine the radius of the circular orbit. `(e = 1.5 x× 10^(-19) C, m_e = 9.1x×10^(-31) kg)`

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