The resistance of the armature of an electric motor is 55 ohm. The motor draw a current of 2 A when running at 220 V. What is the back e.m.f ?

The power rating of an electric motor that draws a current of 3.75 A , when operated at 200 V , is nearly

The power rating of an electric motor that draws a current of 3.75 A , when operated at 200 V , is nearly

The current in the armature of dc motor is the maximum when the motor is :

The armature of a dc motor has 20 Omega resistance It draws a currrent of 1.5 A when run by a 220 V dc supply The value of the block emf induced in it is .

The armature of a DC motor has 20Omega resistance. It draws a current of 1.5 A when run by 200 V DC supply The value of back emf induced in it will be

The armature of a DC motor has 20Omega resistance. It draws a current of 1.5 A when run by 200 V DC supply The value of back emf induced in it will be

The armature of a DC motor has 20Omega resistance. It draws a current of 1.5 A when run by 200 V DC supply The value of back emf induced in it will be

The armature of dc motor has 20Omega resistance. It draws current of 1.5 ampere when run by 220 volts dc supply. the value of back e.m.f. induced in it will be