60 Hz ac.
120 Hz ac.
All of the above components are required.
A clock radio
A television broadcast transmitter
A shortwave radio receiver
A home television set
It uses the whole transformer secondary for the entire ac input cycle.
It costs less than other rectifier types.
It cuts off half of the ac wave cycle.
It never needs a filter.
Full-wave, center-tap arrangement.
Voltage doubler arrangement.
The ac input.
Considerably less than 165 V.
Slightly less than 165 V.
Exactly 165 V.
Slightly more than 165 V.
50 V pk.
70 V pk.
100 V pk.
140 V pk.
Poor regulation under heavy loads
Twice that from a half-wave circuit.
The same as that from a half-wave circuit.
Half that from a half-wave circuit.
1⁄4 that from a half-wave circuit.
A capacitor in series
A choke in series
A capacitor in series and a choke in parallel
A capacitor in parallel and a choke in series
Parallel with the filter output, forward-biased.
Parallel with the filter output, reverse-biased.
Series with the filter output, forward-biased.
Series with the filter output, reverse-biased.
The transformer core is suddenly magnetized.
The diodes suddenly start to conduct.
The filter capacitor(s) must be initially charged.
Arcing takes place in the power switch.
Filter capacitor overcharging.
Poor voltage regulation.
Is a slow-blow type.
Is a quick-break type.
Has a low current rating.
Has a high current rating.
Connecting multiple diodes in parallel, with low-value resistors in series with each diode
Connecting multiple diodes in parallel, with low-value capacitors in series with each diode
Connecting multiple diodes in series, with low-value chokes across each diode
Connecting multiple diodes in series, with low-value resistors across each diode
Install bleeder resistors before beginning your work.
Remove the fuse before beginning your work.
Leave it alone and have a professional work on it.
Short out all the diodes before beginning your work.
The power supply will be severely damaged.
The diodes will not rectify.
The fuse will blow out right away.
Transient suppressors won’t work.
Connect several capacitors in parallel.
Use a choke-input filter.
Connect several chokes in series.
Use two capacitor/choke filtering sections in cascade.