An electron of energy 1800 eV describes a circular
path in magnetic field of flux density 0.4 T. The radius
of path is (g = 1.6 X 10-19 C, me = 9.1 x 10-31 kg)
(a) 2.58 x 10-4 m (b) 3.58 x 10-4 m
(c) 2.58 x 10-3 m (d) 3.58 x 10-'m
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An electron of energy 1800 eV describes a circular path in magnetic field of flux density 0.4 T. The radius of path is (q = 1.6 X 10−19 C, me = 9.1 X 10−31 kg)
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