What are real images? Are the upright or inverted?

A real image can be viewed when a screen is placed in the plane of convergence. Real images are inverted... HOPE THIS HELPS!!!

Explanation:

c, 1a hope this

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.