In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of______________?

Related Mcqs:

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

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

In phase-shift control method the control is carried out by varying the of grid voltage

A. magnitude B. polarity C. phase D. any of the above E. none 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...

In a mercury arc rectifier positive ions are attracted towards______________?

A. anode B. cathode C. shell bottom D. mercury pool...

A synchronous converter can be started______________?

A. by means of a small auxiliary motor B. from AC. side as induction motor C. from D.C. side as D.C. motor D. any of the above methods E. none of the above methods...