A 2 m wire carries 6 A perpendicular to a 0.6 T field. What magnetic force acts on it?

A) 3.6 N

B) 10.8 N

C) 14.4 N

D) 7.2 N

Answer: D

Explanation: Use magnetic force = field × current × length at 90° for the stated idealized conditions. Substitution gives 0.6 × 6 × 2 = 7.2 N.

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