Magnetic field due to currentHard
Question
The charges 1, 2, 3 are moves in uniform transverse magnetic field then :-
Options
A.particle ′1′ positive and particle 3 negative
B.particle 1 negative and particle 3 positive
C.particle 1 negative and particle 2 neutral
D.particle 1 and 3 are positive and particle 2 neutral
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