Q.

The armature core of a dc machine is usually made of 

  • AConducting material 
  • BInsulating material
  • CNon ferrous material
  • DSilicon steel
Correct Answer : (D)

Silicon steel

Hints :

The armature core of a dc machine is usually made of Silicon steel.

Previous

Torque developed in an electromechanical energy conversion device depends upon

Next

In electromechanical energy conversion devices (e.g generators and motors) a small air gap is left between the stator and the rotor in order to

Join The Discussion