A. 400/√2 V
B. 400 V
C. 400 x √2 V
D. none of the above
Related Mcqs:
- The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
A. one-half
B. the same as
C. twice
D. four times - The PIV rating of a crystal diode is _______________ that of equivalent vacuum diode
A. the same as
B. lower than
C. more than
D. none of the above - A half-wave rectifier has an input voltage of 240 V r.m.s. If the step-down transformer has a turns ratio of 8:1, what is the peak load voltage? Ignore diode drop?
A. 27.5 V
B. 86.5 V
C. 30 V
D. 42.5 V - If the PIV rating of a diode is exceeded,_______________?
A. the diode conducts poorly
B. the diode is destroyed
C. the diode behaves like a zener diode
D. none of the above - The disadvantage of a half-wave rectifier is that the__________________?
A. components are expensive
B. diodes must have a higher power rating
C. output is difficult to filter
D. none of the above - The maximum efficiency of a half-wave rectifier is _____________?
A. 40.6 %
B. 81.2 %
C. 50 %
D. 25 % - The ripple factor of a half-wave rectifier is_________________?
A. 2
B. 1.21
C. 2.5
D. 0.48 - If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is _____________biased?
A. forward
B. reverse
C. either forward or reverse
D. none of the above - When a crystal diode is used as a rectifier, the most important consideration is ____________?
A. forward characteristic
B. doping level
C. reverse characteristic
D. PIC rating - The doping level in a zener diode is______________ that of a crystal diode?
A. the same as
B. less than
C. more than
D. none of the above
