engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Electrical Machines DC Generators
An open-circuit curve is drawn between:
(Where EO = no-load voltage; IF = field current; IA = armature current; IL = load-current; N = no. of armature conductors; E = load voltage).
1
E and IF
2
N and IL
3
E and IA
4
EO and IF