FCC T6B - 电子元件与电路原理图

#T6B01🔗

Which is true about forward voltage drop in a diode?

关于二极管的正向压降，哪一项是正确的？

It is lower in some diode types than in others

它在某些二极管类型中低于其他类型

✓ 正确答案

It is proportional to peak inverse voltage

它与峰值反向电压成正比

It indicates that the diode is defective

这表明二极管有缺陷

It has no impact on the voltage delivered to the load

它对提供给负载的电压没有影响

#T6B02🔗

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

哪种电子元件允许电流仅沿一个方向流动？

Resistor

电阻器

Fuse

保险丝

Diode

二极管

✓ 正确答案

Driven element

从动元件

#T6B03🔗

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

这些元件中哪些可以用作电子开关？

Varistor

压敏电阻

Potentiometer

电位器

Transistor

三极管

✓ 正确答案

Thermistor

热敏电阻

#T6B04🔗

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

以下哪个元件可以由半导体材料的三个区域组成？

Alternator

交流发电机

Transistor

三极管

✓ 正确答案

Triode

三极管

Pentode

五极管

#T6B05🔗

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

什么类型的晶体管有栅极、漏极和源极？

Varistor

压敏电阻

Field -effect

场效应_

✓ 正确答案

Hall-effect

霍尔效应

Bipolar junction

双极结

#T6B06🔗

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

封装上常见的半导体二极管的阴极引线是怎么标注的？

With the word "cathode"

用“阴极”二字

With a stripe

带条纹

✓ 正确答案

With the letter C

带字母 C

With the letter K

带字母 K

#T6B07🔗

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

是什么导致发光二极管 (LED) 发光？

Forward current

正向电流

✓ 正确答案

Reverse current

反向电流

Capacitively-coupled RF signal

电容耦合射频信号

Inductively-coupled RF signal

电感耦合射频信号

#T6B08🔗

What does the abbreviation FET stand for?

FET 的缩写代表什么？

Frequency Emission Transmitter

频率发射变送器

Fast Electron Transistor

快速电子晶体管

Free Electron Transmitter

自由电子发射器

Field Effect Transistor

场效应晶体管

✓ 正确答案

#T6B09🔗

What are the names for the electrodes of a diode?

二极管的电极叫什么名字？

Plus and minus

正负

Source and drain

源漏

Anode and cathode

阳极和阴极

✓ 正确答案

Gate and base

大门和基地

#T6B10🔗

Which of the following can provide power gain?

以下哪项可以提供功率增益？

Transformer

变压器

Transistor

三极管

✓ 正确答案

Reactor

反应堆

Resistor

电阻器

#T6B11🔗

What does the term gain mean in amplifiers?

放大器中的增益一词是什么意思？

The output signal voltage relative to the input signal voltage

输出信号电压相对于输入信号电压

The output signal current relative to the input signal current

输出信号电流相对于输入信号电流

The output signal power relative to the input signal power

输出信号功率相对于输入信号功率

All these choices are correct

所有这些选项都是正确的

✓ 正确答案

#T6B12🔗

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

双极结晶体管的电极名称是什么？

Signal, bias, power

信号、偏置、功率

Emitter , base , collector

发射极、基极、集电极

✓ 正确答案

Input, output, supply

输入、输出、供给

Pole one, pole two, output

一极，二极，输出

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FCC T6B - 电子元件与电路原理图

小节 T6B：电子元件与电路原理图