Que magnitudes fisicas aparecen como relevantes al describir los resultados de las carreras deportivas

answer: the answer is a

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

there are no contact forces mentioned on the list of choices that you've provided.