A DC motor develops a torque of 6 N m when the armature current is 10 A. What is the torque when the armature current drops to 2 A? The armature of a DC motor has a resistance of 0.1 Ω and takes a...

A DC motor develops a torque of 6 N m when the armature current is 10 A. What is the torque when the armature current drops to 2 A?

The armature of a DC motor has a resistance of 0.1 Ω and takes a current of 60 A from a 100 V supply. What is the induced EMF in the armature?