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An electron (charge (e) = 1.6 x 10-19 C, mass (me = 9.1 x 10-31 kg) that trapped inside a magnetic field observed m oving at

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V = 3x104m/s MV Q VA sino = R R - MV q B singoº (9.1 XIO - 631)(3x104) 1.6 x 16 x 1.4 x 1 -19 R = 0.122 x meter 10°6 llm ® o.

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