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Magnetism: Force on Current — Perpendicular MCQ

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Force on Current — PerpendicularMediumQuestion 20202

Question

A 10 cm wire carrying 5 A lies perpendicular to a field of 2 T. The force on the wire is:
  1. A
    0.1 N
  2. B
    1 N
    Correct
  3. C
    10 N
  4. D
    0.5 N

Correct answer

1 N

Explanation

F = ILB sinθ = 5 × 0.10 × 2 × sin90° = 1 N.

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