Which is true about forward voltage drop in a diode?

1. A It is lower in some diode types than in others
2. B It is proportional to peak inverse voltage
3. C It indicates that the diode is defective
4. D It has no impact on the voltage delivered to the load

What electronic component allows current to flow in only one direction?

1. A Resistor
2. B Fuse
3. C Diode
4. D Driven element

Which of these components can be used as an electronic switch?

1. A Varistor
2. B Potentiometer
3. C Transistor
4. D Thermistor

Which of the following components can consist of three regions of semiconductor material?

1. A Alternator
2. B Transistor
3. C Triode
4. D Pentode

What type of transistor has a gate, drain, and source?

1. A Varistor
2. B Field-effect
3. C Hall-effect
4. D Bipolar junction

How is the cathode lead of a semiconductor diode often marked on the package?

1. A With the word "cathode"
2. B With a stripe
3. C With the letter C
4. D With the letter K

What causes a light-emitting diode (LED) to emit light?

1. A Forward current
2. B Reverse current
3. C Capacitively-coupled RF signal
4. D Inductively-coupled RF signal

What does the abbreviation FET stand for?

1. A Frequency Emission Transmitter
2. B Fast Electron Transistor
3. C Free Electron Transmitter
4. D Field Effect Transistor

What are the names for the electrodes of a diode?

1. A Plus and minus
2. B Source and drain
3. C Anode and cathode
4. D Gate and base

Which of the following can provide power gain?

1. A Transformer
2. B Transistor
3. C Reactor
4. D Resistor

What does the term gain mean in amplifiers?

1. A The output signal voltage relative to the input signal voltage
2. B The output signal current relative to the input signal current
3. C The output signal power relative to the input signal power
4. D All these choices are correct

What are the names of the electrodes of a bipolar junction transistor?

1. A Signal, bias, power
2. B Emitter, base, collector
3. C Input, output, supply
4. D Pole one, pole two, output