WorksheetsRectifiers
Total questions: 10
Worksheet time: 5mins
If the ac supply is 60 Hz, what will be the ripple frequency out of the half-wave rectifier?
30 Hz
50 HZ
60 Hz
120 Hz
If the AC supply is 50 Hz, what will be the ripple frequency out of the full-wave rectifier?
50 Hz
60 Hz
100 Hz
120 Hz
A silicon diode in a half-wave rectifier has a barrier potential of 0.7 V. This has the effect of
reducing the peak output voltage by 0.7 V
increasing the peak output voltage by 0.7 V
reducing the peak input voltage by 0.7 V
no effect
PIV is which of the following?
peak input voltage
peak inverse voltage
peak immediate voltage
positive input voltage
Refer to Figure. Which diode arrangement will supply a negative output voltage?
a
b
c
d
Refer to Figure. Which diode arrangement will supply a positive output voltage?
a
b
c
d
Each diode in a center-tapped full-wave rectifier is _____ -biased and conducts for _____ of the input cycle.
forward, 90º
reverse, 180º
forward, 180º
reverse, 90º
What is the PIV for each diode in a full-wave center-tapped rectifier? Note: Vp(out) = peak output voltage.
Vp(out) – 0.7 V
Vp(out) + 0.7 V
2Vp(out) – 0.7 V
2Vp(out) + 0.7 V
If one of the diodes in a bridge full-wave rectifier opens, the output is
0 V
one-fourth the amplitude of the input voltage
a half-wave rectified voltage
a 120 Hz voltage
If you are checking a 60 Hz full-wave bridge rectifier and observe that the output has a 60 Hz
ripple,
the circuit is working properly.
there is an open diode.
the transformer secondary is shorted.
the filter capacitor is leaky.
