Which of the following rectifiers are primarily used for charging of low voltage batteries from AC supply ?

Related Mcqs:

A commutating rectifier consists of commutator driven by___________?

A. an induction motor B. a synchronous motor C. a D.C. series motor D. a D.C. shunt motor...

On which of the following factors the number of phases for which a rectifier should be designed depend ?

A. The voltage regulation of the rec¬tifier should be low B. In the output circuit there should be no harmonics C. The power factor of the system should be high D. The rectifier supply transformer should be utilized to the best ad-vantage E. all of the above...

In a three-phase mercury arc rectifiers each anode conducts for____________?

A. one-third of a cycle B. one-fourth of a cycle C. one-half a cycle D. two-third of a cycle...

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

A. same B. less C. double D. three times...

Which of the following is reversible in action ?

A. Motor generator set B. Motor converter C. Rotary converter D. Any of the above E. None of the above...