Which describes farsightedness? check all that apply. distant objects are blurry. nearby objects are blurry. objects appear larger when wearing corrective glasses. objects appear smaller when wearing corrective glasses. convex lenses can correct it. concave lenses can correct it.

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.