An LED of 1volt is connected to the two terminals of a toy motor. The LED lights up when the armature is rotated at a high speed.
Write the two main parts of a DC motor.

An LED of 1volt is connected to the two terminals of a toy motor. The LED lights up when the armature is rotated at a high speed. How this device produces emf while rotating its armature? Explain.

The armature current in a dc motor is maximum when the motor has.....(a)Picked up maximum speed (b)started (c)Intermediate speed (d)None