alleryStart learning →A 2 A current in a 1 m wire at 30 degrees to a 0.5 T field feels a force of
A0.25 N
B0.87 N
C1 N
D0.5 N
Answer & Solution
Correct answer: D. 0.5 N
F = I l B sin(30) = 2 x 1 x 0.5 x 0.5 = 0.5 N.
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