Doubling the flux density doubles the force on a current-carrying wire because:

  1. F propto 1B
  2. F = BILsintheta propto B
  3. the current doubles
  4. F propto B^2
Answer

B) F = BILsintheta propto B

Direct proportion. SLO P-09-E-31 · Knowledge

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise