What is the IMA of the following pulley system

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )

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.

heats surface water up