Virtual Labs

a: Armature control method b: Field control method c: Combination of armature control method and field control method d: Totally different from armature and field control method

a: Reduce armature voltage b: Increase armature voltage c: Increase field current d: Decrease field current

a: Constant torque and variable power speed control b: Constant torque speed control c: Variable power speed control d: Constant power speed control

a: In both directions b: In one direction c: Below normal speed only d: Above normal speed only

a: Higher than rheostatic control method but lower than shunt field control method b: Lower than rheostatic control method c: Higher than rheostatic control method and shunt field control method d: Depends on load

To perform speed control of DC motor by using Ward-Leonard Method