Magnetic flux density B is defined as:

  1. the force per unit current per unit length on a wire at right angles to the field
  2. flux times area
  3. current per unit area
  4. the force per unit charge
Answer

A) the force per unit current per unit length on a wire at right angles to the field

B = FIL. SLO P-09-E-31 · Knowledge

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise