The speed of a d.c. motor is
AAlways constant
BDirectly proportional to back e.m.f
CDirectly proportional to flux
DInversely proportional to the product of back e.m.f and flux
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
H.S Steel contain tungsten, chromium and vanadium in the ratio
Intersection method of plane table survey is also known as
The loosening of a wearing surface under the action of traffic or weather associated with the failure of the binding agent to keep the surface consolidated is known as
The rise in the maximum flood level of the river after construction is known as.
The Bows notation is used only in case of