Diodes and Applications Questions

• Providing a constant output regardless of ac input or load resistance changes is the function of a:
• What is wrong with this diode?
• Electrons in the outermost orbit or shell of an atom are called
• Rectifier output polarity depends upon:
• What is the current through the zener diode?
• In a power supply diagram, which block indicates a pulsating dc output?
• The diode schematic arrow points to the:
• What is the current through the LED?
• The conduction band is closest to the valence band in
• Thermal shutdown occurs in an IC regulator if:
• A diode for which you can change the reverse bias, and thus vary the capacitance is called a
• The mimicking of an open/closed switch by a diode allows alternating current to be:
• The arrow in the schematic symbol of a diode points to
• With full-wave rectification, current through the load resistor must be:
• Which type of transformer is required to create a 180 degree input to a rectifier?
• Which of the following circuits would require the least amount of filtering?
• What is the percent of regulation if Vnl = 20 V and Vfl = 19.8 V?
• What is a varistor?
• The voltage where current may start to flow in a reverse-biased pn junction is called the
• When matching polarity connections have been made and the potential difference (PD) is above 0.7 V, the diode is considered to be: