When the speed of D.C motor is increased
When the speed of D.C motor is increased
Right Answer is:
Back E.M.F increases and current drawn decreases
SOLUTION
The Emf equation of DC motor is given as
As, A, P, Z are constant therefore N is directly proportional to Eb & inversely proportional to flux.
As we know that in DC motor armature equation is given as
So As the back emf increase armature current reduced.