Magnetic field due to currentHard
Question
An a-particle experiences a force of 3.84 × 10-14 N when its moves perpendicular to magnetic field of 0.2 Wb/m2 then speed of the α - particle is :-
Options
A.6.0 × 105 m/sec
B.5.0 × 105 m/sec
C.1.2 × 106 m/sec
D.3.8 × 106 m/sec
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