The radius of the path of an electron moving at a speed
of 3 x 10power of 7 m/s perpendicular to a magnetic field 5 x 10power of 4T
is nearly
(a) 15 cm
(b) 45 cm
(c) 27 cm
(d) 34 cm
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Answer:
the radius of the path of an electron moving at a speed is nearly 27cm.
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