When a PN junction diode is forward biased, the p-side is connected to which terminal of the battery?
Correct answer B. The positive terminal
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In a bridge rectifier, how many diodes conduct during any one half-cycle of the input?
Correct answer D. Two
A full-wave rectifier built with only two diodes requires which additional component?
Correct answer D. A centre-tapped transformer
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A bridge rectifier giving full-wave output uses how many diodes?
Correct answer C. Four
How many diodes are needed for a basic half-wave rectifier?
Correct answer D. One
The small current that flows through a reverse-biased PN junction is mainly due to ____
Correct answer D. minority carriers crossing the junction
A germanium diode starts to conduct noticeably in forward bias at roughly which voltage?
Correct answer A. 0.3 V
What is the approximate potential barrier of a silicon PN junction at room temperature?
Correct answer B. 0.7 V
What are the majority charge carriers in an n-type semiconductor?
Correct answer C. Free electrons
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What happens to the width of the depletion region when a PN junction is reverse biased?
Correct answer C. It widens