Two wires 1 m apart each carrying 1 A experience a force per metre of:

  1. 4pi 10^-7 N
  2. 1 N
  3. 10^-7 N
  4. 2 10^-7 N
Answer

D) 2 10^-7 N

4pi 10^-72pi = 2 10^-7. SLO P-09-E-37 · Understanding

Physics MCQ · More Magnetism and Electromagnetic Induction MCQs · Practise