Electronics Basics! Trivia Knowledge! Quiz

14 Questions | By Cambronbill3 | Updated: Mar 18, 2022 | Attempts: 358

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Electronics Basics! Trivia Knowledge! Quiz - Quiz

Questions and Answers

1.

What is the definition of impedance?
- A.
  
  A Combination Of Resistance And Reactance, Expressed In Ohms
- B.
  
  Dc Resistance Of A Speaker Voice Coil
- C.
  
  All Of These Choices
- D.
  
  The Square Root Of The Voice Coil Resistance
2.

What is the value of a resistor that has the following color bands: red, red, red, gold?
- A.
  
  220 Ohms, 10%
- B.
  
  2.2k Ohms, 5%
- C.
  
  2k Ohms, 10%
- D.
  
  22 Ohms, 5%
3.

What is the SI unit for potential difference?
- A.
  
  Current
- B.
  
  Volt
- C.
  
  Ampere
- D.
  
  Watt
4.

Two resistors are wired in parallel. Which of the following statements is true?
- A.
  
  The Total Resistance Will Be Less Than The Sum Of The Two
- B.
  
  The Total Resistance Will Be The Difference Between The Two Resistors
- C.
  
  The Total Resistance Will Be The Sum Of Both Resistors
- D.
  
  The Total Resistance Will Be Greater Than The Sum Of The Two
5.

Name the three leads of a field-effect transistor (FET)?
- A.
  
  Source, Gate, And Drain
- B.
  
  Emitter, Collector, And Base
- C.
  
  Cathode, Plate, And Anode
- D.
  
  Source, Gate, And Base
6.

What is an inductor called that is designed for the specific purpose of passing DC while blocking AC?
- A.
  
  Rectifier Diode
- B.
  
  Triac
- C.
  
  Choke
- D.
  
  None Of These Choices
7.

A capacitor is best described by which one of the following statements?
- A.
  
  A Device That Store Electrical Energy And Blocks The Flow Of DC
- B.
  
  A Single Electrode Device That Amplifies Current
- C.
  
  A Component That Is Used To Provide A Definite Amount Of Resistance
- D.
  
  A Device That Stores Electrical Energy And Blocks The Flow Of AC
8.

The electron flow in a circuit passes through a NPN transistor from _________ to ___________?
- A.
  
  Emitter, Collector
- B.
  
  Emitter, Base
- C.
  
  Base, Emitter
- D.
  
  Collector, Base
9.

What is the main difference between the function of a SCR and a triac?
- A.
  
  The Scr Is A Switching Device, While The Triac Is An Amplifying Device
- B.
  
  The Scr Is Made If Silicon And The Triac Is Not
- C.
  
  All Of These Choices
- D.
  
  The Scr Can Be Triggered In Only One Direction, While The Triac Can Be Switched On In Either Direction
10.

What is the distinguishing feature of a thyristor?
- A.
  
  A Momentary Pulse Of Gate Current Switches Them On
- B.
  
  They Are Less Expensive Than Transistors
- C.
  
  They Switch Faster Than Transistors
- D.
  
  They Are The Only High Power Semiconductors Available
11.

In a basic transistor circuit, what is the most significant factor in determining if a transistor performs as a switch or as an amplifier?
- A.
  
  All Of These Choices
- B.
  
  The Transistor Package Style
- C.
  
  The Control Circuit
- D.
  
  Transistor Type
12.

Why are PNP transistors used less often than NPN transistors?
- A.
  
  Pnps Switch Slower And Are Generally More Expensive Than Npns
- B.
  
  Pnps Are Only Used In Digital Circuits
- C.
  
  Pnps Are Newer, So They Have To Catch Up
- D.
  
  The Function Of A Pnp Isn't As Useful As A Npn
13.

A P-channel enhancement type MOSFET performs much the same function as a PNP transistor. What is the main difference?
- A.
  
  A Mosfet Switches Much Faster
- B.
  
  A Mosfet Is Considerably Larger
- C.
  
  A Mosfet Is Controlled By Voltage Rather Than Current
- D.
  
  A Mosfet Regulates Current, But Is Non-Switching
14.

Why is a transistor defined as a an amplifying device?
- A.
  
  All Of These Choices
- B.
  
  The Current In The Output Circuit Is Greater Than The Current In The Input Circuit
- C.
  
  Because The Collector Collects Electrons
- D.
  
  The Voltage At The Emitter Is Greater Than The Voltage At The Base