A. half-wave rectifier
B. centre-tap full-wave rectifier
C. bridge full-wave rectifier
D. none of the above
Related Mcqs:
- 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 - The leakage current in a crystal diode is due to _________________?
A. minority carriers
B. majority carriers
C. junction capacitance
D. none of the above - The reverse current in a diode is of the order of _____________?
A. kA
B. mA
C. μA
D. A - The forward voltage drop across a silicon diode is about _______________?
A. 2.5 V
B. 3 V
C. 10 V
D. 0.7 V - The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ______________?
A. 1 : 1
B. 100 : 1
C. 1000 : 1
D. 40,000 : 1 - If the doping level of a crystal diode is increased, the breakdown voltage__________________?
A. remains the same
B. is increased
C. is decreased
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 - 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 - A series resistance is connected in the zener circuit to_______________?
A. properly reverse bias the zener
B. protect the zener
C. properly forward bias the zener
D. none of the above - If the a.c. input to a half-wave rectifier is an r.m.s value of 400/√2 volts, then diode PIV rating is__________________?
A. 400/√2 V
B. 400 V
C. 400 x √2 V
D. none of the above
