According to Fleming’s right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of____________?

Related Mcqs:

In D.C. generators, the cause of rapid brush wear may be___________?

A. severe sparking B. rough commutator surface C. imperfect contact D. any of the above...

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...