2.3 KiB
T6B – Semiconductors: basic principles and applications of solid state devices, diodes and transistors
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T6B01 (A) Which is true about forward voltage drop in a diode? #card
- A. It is lower in some diode types than in others
- B. It is proportional to peak inverse voltage
- C. It indicates that the diode is defective
- D. It has no impact on the voltage delivered to the load
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T6B02 (C) What electronic component allows current to flow in only one direction? #card
- A. Resistor
- B. Fuse
- C. Diode
- D. Driven element
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T6B03 (C) Which of these components can be used as an electronic switch? #card
- A. Varistor
- B. Potentiometer
- C. Transistor
- D. Thermistor
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T6B04 (B) Which of the following components can consist of three regions of semiconductor material? #card
- A. Alternator
- B. Transistor
- C. Triode
- D. Pentagrid converter
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T6B05 (B) What type of transistor has a gate, drain, and source? #card
- A. Varistor
- B. Field-effect
- C. Tesla-effect
- D. Bipolar junction
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T6B06 (B) How is the cathode lead of a semiconductor diode often marked on the package? #card
- A. With the word "cathode"
- B. With a stripe
- C. With the letter C
- D. With the letter K
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T6B07 (A) What causes a light-emitting diode (LED) to emit light? #card
- A. Forward current
- B. Reverse current
- C. Capacitively-coupled RF signal
- D. Inductively-coupled RF signal
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T6B08 (D) What does the abbreviation FET stand for? #card
- A. Frequency Emission Transmitter
- B. Fast Electron Transistor
- C. Free Electron Transmitter
- D. Field Effect Transistor
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T6B09 (C) What are the names for the electrodes of a diode? #card
- A. Plus and minus
- B. Source and drain
- C. Anode and cathode
- D. Gate and base
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T6B10 (B) Which of the following can provide power gain? #card
- A. Transformer
- B. Transistor
- C. Reactor
- D. Resistor
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T6B11 (A) What is the term that describes a device's ability to amplify a signal? #card
- A. Gain
- B. Forward resistance
- C. Forward voltage drop
- D. On resistance
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T6B12 (B) What are the names of the electrodes of a bipolar junction transistor? #card
- A. Signal, bias, power
- B. Emitter, base, collector
- C. Input, output, supply
- D. Pole one, pole two, output