Related Questions

For the same secondary voltage, the output voltage from a centre-tap rectifier is ___________ than that of bridge rectifier
A twice
B thrice
C four time
D one-half
The PIV rating of each diode in a bridge rectifier is ___________ that of the equivalent centre-tap rectifier
A one-half
B the same as
C twice
D four times
Which of the following is the loss within the mercury arc rectifier chamber?
A Voltage drop in arc
B Voltage drop at the anode
C Voltage drop at the cathode
D All of the above
The voltage drop at anode, in a mercury arc rectifier is due to
A self restoring property of mercury
B high ionization potential
C energy spent in overcoming the electrostatic field
D high temperature inside the rectifier
The efficiency of an electrolytic rectifier is nearly
A 80%
B 70%
C 60%
D 40%
Which of the following mercury arc rectifier will deliver least undulating current?
A Six-phase
B Three-phase
C Two-phase
D Single-phase
How many diodes are in a full wave bridge rectifier?
A 8
B 2
C 4
D 3
In a half wave rectifier, the load current flows
A Only for the positive half cycle of the input signal
B Only for the negative half cycle of the input signal
C For full cycle
D For less than fourth cycle
The rectifier instrument is not free from
A temperature error
B wave shape error
C frequency error
D all of the above
On which of the following factors the number of phases for which a rectifier should be designed depends?
A The voltage regulation of the rectifier should be low
B In the output circuit there should be no harmonics
C The power factor of the system should be high
D All of the above

Next steps