Electronics Quiz
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Fundamentals of digital electronics with 15 quiz
- 1.Using Ohm's Law, power is the product of what two things?
- A.
Wattage And Impedance
- B.
Current And Voltage
- C.
Voltage And Reactance
- D.
Resistance And Current
- 2.Who was the German scientist that discovered the mathematical relationship between current, voltage, and resistance?
- A.
Count Frankenstein
- B.
Robert Braun
- C.
Georg Simon Ohm
- D.
Albert Einstein
- 3.In electronic theory, what does the term rectification mean?
- A.
Restoration Of A Charge To Overcome Delay Effects
- B.
The Bending Of Radio Waves As They Pass From One Medium To The Next
- C.
The Process Of Converting Ac To Dc
- D.
The Process Of Converting Dc To Ac
- 4.What is the internationally accepted unit of frequency?
- A.
Period
- B.
Cycle
- C.
Hertz
- D.
Repetition
- 5.The operation of a transistor is an example of what basic function of all semiconductor devices?
- A.
Regulating The Flow Of Electrons
- B.
Removing Electrons
- C.
Powering Radios
- D.
Increasing The Circuit's Voltage
- 6.What is the main difference between a PNP transistor and an NPN transistor?
- A.
A PNP Works Better Than A NPN
- B.
How Current Relates To The Base
- C.
NPN Regulates Current, PNP Voltage
- D.
There Is No Difference
- 7.What is negative feedback?
- A.
When The Current Is Increased, The Voltage Goes More Negative
- B.
When A Portion Of The Output Signal Is Returned, Out Of Phase, To The Input Stage
- C.
What An Amplifier Gets When It Performs Poorly On The Test Bench
- D.
A Base Bias Voltage That Makes The Gate Of The Transistor Go More Negative
- 8.In which appliance would you store your milk, eggs and cheese?
- A.
Refrigerator
- B.
Blender
- C.
Toaster
- D.
Oven
- 9.What type of machine is an Apple iPod?
- A.
A Cellphone
- B.
An MP3 Player
- C.
A BlackBerry
- D.
A GPS Device
- 10.How many digits are in a U.S. telephone area code?
- A.
Three
- B.
Six
- C.
Ten
- D.
Seven
- 11.A small value capacitor in series with a tweeter forms what kind of filter?
- A.
3 Db Per Octave Low Pass
- B.
6 Db Per Octave Low Pass
- C.
12 Db Per Octave High Pass
- D.
6 Db Per Octave High Pass
- 12.The ultra-linear concept was introduced in 1951 by what famous engineer?
- A.
Bob Carver
- B.
W.I. Heath
- C.
David Hafler
- D.
D.T.N. Williamson
- 13.What are main components of an electromechanical relay?
- A.
Two Diodes, Spring, Magnet
- B.
Contacts, Coil, Spring
- C.
Op Amp, Coil, Spring
- D.
Contacts, Diode, Coil
- 14.Radiated noise that is transmitted through a magnetic field to signal lines is known as what?
- A.
Inductive Coupling
- B.
Harmonic Distortion
- C.
Capacitive Coupling
- D.
Hysteresis Distortion
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