In a rotary converter I2R losses as compared to a D.C. generator of the same size will be___________?

Related Mcqs:

The ignited or auxiliary anode in mercury arc rectifier is made of____________?

A. graphite B. boron carbide C. aluminium D. copper...

Ageing of a selenium rectifier may change the output voltage by__________?

A. 5 to 10 per cent B. 15 to 20 per cent C. 25 to 30 per cent D. none of the above...

It is the_________of the transformer on which the magnitude of angle of overlap depends?

A. resistance B. capacitance C. leakage reactance D. any of the above...

If cathode and anode connections in a mercury arc rectifier are inter changed_____________?

A. the rectifier will not operate B. internal losses will be reduced C. both ion and electron streams will move in the same direction D. the rectifier will operate at reduced efficiency...

A rotary converter is a single machine with______________?

A. one armature and one field B. two armatures and one field C. one armature and two fields D. none of the above...