Two D.C. shunt generators, each with armature resistance of 0.02 ohm and field resistance of 50 ohm run in parallel and supply a total current of 1000 amperes to the load circuit. If their e.m.fs. are 270 V and 265 V, their bus bar voltage will be_____________________?

Related Mcqs:

For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?

A. Lap winding B. Wave winding C. Either of A. and B. above D. Depends on other features of design...

Iron losses in a D.C. machine are independent of variations in_____________?

A. speed B. load C. voltage D. speed and voltage...

A D.C. welding generator has____________?

A. lap winding B. wave moving C. duplex winding D. any of the above...

The armature core of a D.C. generator is usually made of__________________?

A. silicon steel B. copper C. non-ferrous material D. cast-iron...

Armature reaction in a generator results in_____________?

A. demagnetisation of leading pole tip and magnetisation of trailing pole tip B. demagnetisation of trailing pole tip and magnetisation of leading pole tip C. damagnetising the center of all poles D. magnetising the center of all poles...