Questions and Answers
What type of diode converts an electrical signal into coherent light?
Laser Diode
Which diode is used as a voltage-controlled resistor in microwave applications?
PIN Diode
What type of diode exhibits a negative resistance region between points B and C on its characteristic curve?
Tunnel Diode
Which diode has a metal-to-semiconductor contact and is used primarily in high-frequency applications?
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Which diode has the most common use as lasers?
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Which diode has a low forward voltage drop and high efficiency but a low reverse voltage rating?
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What determines whether the temperature coefficient of a zener diode is positive or negative?
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In what region of operation is a zener diode designed to function?
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What is the primary application of a zener diode due to its constant breakdown voltage?
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What is the zener impedance, ZZ, defined as for a zener diode?
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What is the primary role of zeners in three-terminal regulators?
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What is the main purpose of using back-to-back zeners in a circuit?
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Which type of diode is designed for limiting the voltage across its terminals in reverse bias?
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What is the process of releasing light energy by the recombination of electrons in a semiconductor called?
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Which diode emits light when there is a forward current?
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What is the basic unit for producing colored light in an LED display screen?
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In which region of the characteristic curve does a Current Regulator Diode maintain a constant current?
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What type of diode has a single pn junction and conducts current in one direction only?
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What are the majority carriers in n-type materials?
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Which region of the diode is characterized by a dramatic increase in reverse current?
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What is the maximum reverse voltage that prevents a diode from entering the Zener region called?
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In which bias condition does a diode change from no-bias to forward-bias?
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Which material has an approximate forward bias voltage of 0.7 V?
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How does temperature affect the required forward bias voltage for conduction?
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What is the primary difference between conductors and insulators?
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Why is intrinsic silicon a poor conductor?
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What happens when a few electrons jump into the conduction band in intrinsic silicon?
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How does Antimony change the conductivity of silicon?
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Between conductors, insulators, and semiconductors, where do semiconductors fall in terms of conductivity?
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Why are holes in intrinsic silicon considered to have mobility?
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