Group T6B

12 questions from the official pool, drawn by ID — exact wording, never retyped.

T6B01 Which is true about forward voltage drop in a diode?

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

T6B02 What electronic component allows current to flow in only one direction?

A Resistor B Fuse C Diode D Driven element

T6B03 Which of these components can be used as an electronic switch?

A Varistor B Potentiometer C Transistor D Thermistor

T6B04 Which of the following components can consist of three regions of semiconductor material?

A Alternator B Transistor C Triode D Pentode

T6B05 What type of transistor has a gate, drain, and source?

A Varistor B Field-effect C Hall-effect D Bipolar junction

T6B06 How is the cathode lead of a semiconductor diode often marked on the package?

A With the word "cathode" B With a stripe C With the letter C D With the letter K

T6B07 What causes a light-emitting diode (LED) to emit light?

A Forward current B Reverse current C Capacitively-coupled RF signal D Inductively-coupled RF signal

T6B08 What does the abbreviation FET stand for?

A Frequency Emission Transmitter B Fast Electron Transistor C Free Electron Transmitter D Field Effect Transistor

T6B09 What are the names for the electrodes of a diode?

A Plus and minus B Source and drain C Anode and cathode D Gate and base

T6B10 Which of the following can provide power gain?

A Transformer B Transistor C Reactor D Resistor

T6B11 What does the term gain mean in amplifiers?

A The output signal voltage relative to the input signal voltage B The output signal current relative to the input signal current C The output signal power relative to the input signal power D All these choices are correct

T6B12 What are the names of the electrodes of a bipolar junction transistor?

A Signal, bias, power B Emitter, base, collector C Input, output, supply D Pole one, pole two, output