What is the effect of armature coils at points where brushes are located?
Posted: Thu Jul 14, 2022 1:10 pm
a) Induces positive emf
b) Induces negative emf
c) Induces zero emf
d) Depends on the speed of rotor
b) Induces negative emf
c) Induces zero emf
d) Depends on the speed of rotor