Physics, 04.04.2020 01:24 davidrodriguez122001

An electron in J. J. Thomson's charge-to-mass apparatus moves perpendicular to a B-field along a circular path of radius 17.40 cm. If imposition of an E-field of 16.70 kV/m makes the path straight, what is the value of B?

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An electron in J. J. Thomson's charge-to-mass apparatus moves perpendicular to a B-field along a cir...