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User's Manual

ManualsBrandsPASCO Specialty & Mfg. ManualsSonarPASCO Specialty & Mfg. AC/DC Electronics Laboratory EM-8656
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012-05892A AC/DC Electronics Laboratory
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Data Table 2: Bi-Color LED
Description Voltage (V) at 2 mA Voltage (V) at -2 mA
5. Bi-Color LED
Questions
➀ In Unit One, what does the plot of Diode Current versus Voltage mean?
➁ In Unit Two, which LED has the lowest turn-on voltage? Which LED has the highest turn-on
voltage?
➂ In Unit Two, how does the forward turn-on voltage for the Bi-Color LED compare to any of the
colored LED’s? How does the reverse turn-on voltage for the Bi-Color LED compare to any of
the colored LED’s?
➃ Contrast and compare the Bi-Color LED with a “Zener” diode.