The equation I = Anvq comes from considering:

  1. the magnetic field
  2. the charge passing a cross-section per second
  3. the energy per charge
  4. the resistance of the wire
Answer

B) the charge passing a cross-section per second

Charge in length v per second = nAvq. SLO P-09-E-10 · Application

Physics MCQ · More Current Electricity MCQs · Practise