Choose the correct statement regarding the wave type winding of a DC generator.
1
In the wave type winding, the number of brush sets required is always equal to 3
2
In the wave type winding, the number of brush sets required is always equal to 2
3
In the wave type winding, the number of brush sets required is equal to number of poles
4
In the wave type winding, the number of brush sets required is twice the number of poles