Answer 1

Main parts of an ac generator:

• Armature − Rectangular coil ABCD

• Filed Magnets − Two pole pieces of a strong electromagnet

• Slip Rings − The ends of coil ABCD are connected to two hollow metallic rings R₁ and R₂.

• Brushes − B₁ and B₂ are two flexible metal plates or carbon rods. They are fixed and are kept in tight contact with R₁ and R₂ respectively.